Please answer the following question: Information:  - 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.  - 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.  - Kentucky Fried Chicken, more commonly known by its initials KFC, is an American fast food restaurant chain that specializes in fried chicken. Headquartered in Louisville, Kentucky, it is the world's second-largest restaurant chain (as measured by sales) after McDonald's, with almost 20,000 locations globally in 123 countries and territories . The chain is a subsidiary of Yum! Brands, a restaurant company that also owns the Pizza Hut and Taco Bell chains.  - Yum! Brands, Inc., or Yum! and formerly Tricon Global Restaurants, Inc., is an American fast food company. A Fortune 500 corporation, Yum operates the licensed brands Taco Bell, KFC, Pizza Hut, and WingStreet worldwide. Prior to 2011, Yum! previously owned Long John Silver's and A&W Restaurants.  - Kentucky, officially the Commonwealth of Kentucky, is a state located in the east south-central region of the United States. Kentucky is one of four U.S. states constituted as a commonwealth (the others being Virginia, Pennsylvania, and Massachusetts). Originally a part of Virginia, in 1792 Kentucky became the 15th state to join the Union. Kentucky is the 37th most extensive and the 26th most populous of the 50 United States.  - Downtown Louisville is the largest central business district in the Commonwealth of Kentucky and the urban hub of the Louisville, Kentucky Metropolitan Area. Its boundaries are the Ohio River to the north, Hancock Street to the east, York and Jacob Streets to the south, and 9th Street to the west. As of 2000, the population of Downtown Louisville was 2,575.  - McDonald's (or simply as McD) is an American hamburger and fast food restaurant chain. It was founded in 1940 as a barbecue restaurant operated by Richard and Maurice McDonald. In 1948, they reorganized their business as a hamburger stand, using production line principles. The first McDonald's franchise using the arches logo opened in Phoenix, Arizona in 1953. Businessman Ray Kroc joined the company as a franchise agent in 1955 and subsequently purchased the chain from the McDonald brothers. Based in Oak Brook, Illinois, McDonald's confirmed plans to move its global headquarters to Chicago by early 2018.  - 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.  - 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.  - The KFC Yum ! Center is a large multi-purpose sports arena in Downtown Louisville , Kentucky . It is named after the KFC restaurant chain and Yum ! Brands , the parent company of KFC . Adjacent to the Ohio River waterfront , it is located on Main Street between 2nd and 3rd Streets and opened on October 10 , 2010 . The arena is part of a $ 450 million project that includes a 975 - car parking structure and floodwall . The University of Louisville Cardinals men 's and women 's basketball teams are the primary tenants of the arena complex . The U of L women 's volleyball team began using the arena as a part - time home in 2011 , and made the arena its main home in 2012 . It is the second - largest college arena in the Commonwealth ( behind only Kentucky 's Rupp Arena ) and the third - largest in the nation ( behind only Syracuse 's Carrier Dome and Rupp Arena ) . The arena 's current attendance record is 22,815 , set March 9 , 2013 against Notre Dame . Since its opening , the KFC Yum ! Center has been a frequent spot for major concerts .  - WingStreet is a restaurant chain specializing in chicken. It is owned by Yum! Brands, which also owns its sister franchise Pizza Hut. As of September 2008, there were close to 1,600 locations in the U.S., Canada, and Australia. They are almost always co-located with Pizza Hut.  - 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.  - Louisville (, or ) is the largest city in the Commonwealth of Kentucky and the 30th-most populous city in the United States. It is one of two cities in Kentucky designated as first-class, the other being the state's second-largest city of Lexington. Louisville is the historical seat and, since 2003, the nominal seat of Jefferson County.    What is the relationship between 'kfc yum! center' and 'populous'?
Answer:
architect