Given the question: Information:  - United Company RUSAL (/OK RUSAL/) is the world's second largest aluminium company. It was the largest until overtaken by China Hongqiao Group in 2015. UC RUSAL accounts for almost 9% of the world's primary aluminium output and 9% of the worlds alumina production. The United Company was formed by the merger of RUSAL, SUAL, and the alumina assets of Glencore, completed in March 2007. The company operates in 19 countries over five continents and employs over 72,000 people across its international operations and offices. The company is incorporated in Jersey, where it has its financial centre, but its headquarters are in Moscow, Russian Federation.   - F. B. Culley Generating Station is a 369-MWe coal-fired electricity-generating power plant, located southeast of Newburgh in Warrick County. It sits on the north bank of Ohio River, immediately adjacent and upstream of the Warrick Power Plant, and is owned and operated by Vectren (formerly Southern Indiana Gas and Electric Company). F. B. Culley has two units still in service: a 103.7-MWe Unit 2 (built in 1966) and a larger 265.2-MWe Unit 3 (built in 1973). Unit 1 was a 46 MW coal-fired generation unit established 1955 and closed in 2006.  - The Allegheny River is a principal tributary of the Ohio River; it is located in the Eastern United States. The Allegheny River joins with the Monongahela River to form the Ohio River at the "Point" of Point State Park in Downtown Pittsburgh, Pennsylvania. The Allegheny River is, by volume, the main headstream of the Ohio River.  - Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium. It is formed when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years. The energy that the plants originally obtained from the sun is stored in the form of chemical bonds in the gas.  - Evansville is a city in and the county seat of Vanderburgh County, Indiana, United States. The population was 117,429 at the 2010 census. As the state's third-largest city and the largest city in Southern Indiana, it is the commercial, medical, and cultural hub of Southwestern Indiana and the Illinois-Indiana-Kentucky tri-state area, home to over 911,000 people. The 38th parallel crosses the north side of the city and is marked on Interstate 69.  - Indiana is a U.S. state located in the midwestern and Great Lakes regions of North America. Indiana is the 38th largest by area and the 16th most populous of the 50 United States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th U.S. state on December 11, 1816.  - The Mississippi River is the chief river of the largest drainage system on the North American continent. Flowing entirely in the United States (although its drainage basin reaches into Canada), it rises in northern Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and 2 Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth longest and fifteenth largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.  - Headquarters (HQ) denotes the location where most, if not all, of the important functions of an organization are coordinated. In the United States, the corporate headquarters represents the entity at the center or the top of a corporation taking full responsibility for managing all business activities. In the UK, the term head office is most commonly used for the HQs of large corporations. The term is also used regarding military organizations.  - A tributary or affluent is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage basin of its surface water and groundwater, leading the water out into an ocean.  - Warrick Generating Station is a 755 - MWe coal - fired electricity - generating station , located southeast of Newburgh in Warrick County . It sits on the north bank of Ohio River , downstream of the F. B. Culley Generating Station . The plant has four coal - fired , steam - powered turbines with a combined generating capacity of 791 MWe . Alcoa owns three of the four generating stations , which were placed into service in the early 1960s . The largest unit , known as Unit 4 , is 323 - MWe unit jointly owned by Alcoa and Vectren . This larger unit was placed in operation in 1970 .  - Pennsylvania (Pennsylvania German: "Pennsylvaani"), officially the Commonwealth of Pennsylvania, is a state located in the northeastern and Mid-Atlantic regions of the United States. The Appalachian Mountains run through its middle. The commonwealth borders Delaware to the southeast, Maryland to the south, West Virginia to the southwest, Ohio to the west, Lake Erie and the Canadian province of Ontario to the northwest, New York to the north, and New Jersey to the east.  - Alcan was a Canadian mining company and aluminium manufacturer. It was founded in 1902 as the Northern Aluminium Company, Limited, renamed Aluminium Company of Canada, Limited in 1925, and Alcan Aluminium Limited in 1966. It took the name Alcan Incorporated in 2001. During that time, it grew to become one of the worlds largest aluminium manufacturers.  - Cairo (generally pronounced by natives, and by others) is the southernmost city in the U.S. state of Illinois, and is the county seat of Alexander County.  - Rio Tinto Alcan Inc. is a Canadian company based in Montreal. It was created on November 15, 2007 as the result of the merger between Rio Tinto PLC's Canadian subsidiary, Rio Tinto Canada Holding Inc., and Canadian company Alcan Inc. On the same date, Alcan Inc. was renamed Rio Tinto Alcan Inc..  - Mississippi is a state in the southern region of the United States, with part of its southern border formed by the Gulf of Mexico. Its western border is formed by the Mississippi River.  - Smelting is a form of extractive metallurgy; its main use is to produce a base metal from its ore. This includes production of silver, iron, copper and other base metals from their ores. Smelting makes use of heat and a chemical reducing agent to decompose the ore, driving off other elements as gases or slag and leaving just the metal base behind. The reducing agent is commonly a source of carbon such as coke, or in earlier times charcoal.   - Illinois is a state in the midwestern region of the United States, achieving statehood in 1818. It is the 5th most populous state and 25th largest state in terms of land area, and is often noted as a microcosm of the entire country. The word "Illinois" comes from the Algonquin word for "tribe of superior men". With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal, timber, and petroleum in the south, Illinois has a diverse economic base and is a major transportation hub. The Port of Chicago connects the state to other global ports from the Great Lakes, via the Saint Lawrence Seaway, to the Atlantic Ocean, as well as the Great Lakes to the Mississippi River, via the Illinois River. For decades, O'Hare International Airport has been ranked as one of the world's busiest airports. Illinois has long had a reputation as a bellwether both in social and cultural terms and politics.  - The Ohio River, which streams westward from Pittsburgh, Pennsylvania, to Cairo, Illinois, is the largest tributary, by volume, of the Mississippi River in the United States. At the confluence, the Ohio is considerably bigger than the Mississippi (Ohio at Cairo: 281,500 cu ft/s (7,960 m/s); Mississippi at Thebes: 208,200 cu ft/s (5,897 m/s)) and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream.  - Fortune 1000 is a reference to a list maintained by the American business magazine "Fortune". The list is of the 1000 largest American companies, ranked by revenues. Eligible companies are any which are incorporated or authorized to do business in the United States, and for which revenues are publicly available (this list has a larger universe than "public companies", as the term is commonly understood, meaning "companies whose common stock trades on a stock market"). The Fortune 500 is the subset of the list that is its 500 largest companies.  - Alcoa Inc. (from Aluminum Company of America) is an American industrial corporation, it ranks as the world's third largest producer of aluminum, behind Rio Tinto Alcan and Rusal, with corporate headquarters in New York City. From its operational base in Pittsburgh, Pennsylvania in the United States, Alcoa conducts operations in 31 countries. Alcoa is a major producer of primary aluminum, fabricated aluminum, and alumina combined, through its active and growing participation in all major aspects of the industry: technology, mining, refining, smelting, fabricating, and recycling. Aluminum and alumina represent more than three-fourths of Alcoas revenue. Non-aluminum products include precision castings and aerospace and industrial fasteners. Alcoas products are used worldwide in aircraft, automobiles, commercial transportation, packaging, building and construction, oil and gas, defense, and industrial applications.  - Pittsburgh is a city in the Commonwealth of Pennsylvania in the United States, and is the county seat of Allegheny County. The Combined Statistical Area (CSA) population of 2,659,937 is the largest in both the Ohio Valley and Appalachia, the second-largest in Pennsylvania after Philadelphia and the 20th-largest in the U.S. Located at the confluence of the Allegheny and Monongahela rivers, which form the Ohio River, Pittsburgh is known as both "the Steel City" for its more than 300 steel-related businesses, and as the "City of Bridges" for its 446 bridges. The city features 30 skyscrapers, two inclines, a pre-revolutionary fortification and the Point State Park at the confluence of the rivers. The city developed as a vital link of the Atlantic coast and Midwest. The mineral-rich Allegheny Mountains made the area coveted by the French and British empires, Virginia, Whiskey Rebels, and Civil War raiders.  - Ohio is an Eastern state in the Great Lakes region of the United States. Ohio is the 34th largest by area, the 7th most populous, and the 10th most densely populated of the 50 United States. The state's capital and largest city is Columbus.  - The City of New York, often called New York City or simply New York, is the most populous city in the United States. With an estimated 2015 population of 8,550,405 distributed over a land area of just , New York City is also the most densely populated major city in the United States. Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area, one of the most populous urban agglomerations in the world. A global power city, New York City exerts a significant impact upon commerce, finance, media, art, fashion, research, technology, education, and entertainment, its fast pace defining the term "New York minute". Home to the headquarters of the United Nations, New York is an important center for international diplomacy and has been described as the cultural and financial capital of the world.  - Vectren Corporation is a Fortune 1000 energy holding company headquartered in Evansville, Indiana. Through its utility subsidiaries (Vectren North, Vectren South, and Vectren Energy Delivery of Ohio), the company distributes natural gas to approximately one million business and residential customers in Indiana and Ohio. It also distributes electricity to 141,000 customers and has 1,425 MW of primarily coal-fired generating capacity in Indiana. Vectren's nonutility subsidiaries and affiliates currently offer energy-related products and services to customers throughout the Midwest and Southeast. These include energy performance services and energy infrastructure services.  - In geography, a confluence is the meeting of two or more bodies of water. Also known as a "conflux", it refers either to the point where a tributary joins a larger river, (main stem), or where two streams meet to become the source of a river of a new name, such as the confluence of the Monongahela and Allegheny rivers in Pittsburgh, Pennsylvania creating the Ohio River.    After reading the paragraphs above, choose the best answer for the entity that related to 'warrick power plant' with the relationship of 'located in the administrative territorial entity'.  Choices: - alexander county  - allegheny  - atlantic ocean  - cairo  - canada  - center  - centre  - chicago  - china  - columbus  - commerce  - delaware  - earth  - east  - evansville  - gulf  - gulf of mexico  - illinois  - indiana  - indianapolis  - iowa  - kentucky  - maryland  - mississippi  - montreal  - most  - new jersey  - new york city  - northern  - northwest  - of  - ohio  - ontario  - pennsylvania  - philadelphia  - pittsburgh  - point state park  - rio  - river  - south  - southern region  - tennessee  - west virginia  - york
The answer is:
indiana