Question: Information:  - Missouri (see pronunciations) is a state in the Midwestern region of the United States, achieving statehood in 1821. With over six million residents, it is the eighteenth most populous state and host to the mean center of United States population. The largest urban areas are St. Louis, Kansas City, Springfield, and Columbia. The capitol is in Jefferson City on the Missouri River. The state is the twenty-first most extensive by area and is geographically diverse. The Northern Plains were once covered by glaciers, then tallgrass prairie, and now the deep soils yield great agricultural productivity. In the South are the Ozarks, a forested highland, providing timber, minerals, and recreation. The Mississippi River forms the eastern border of the state, eventually flowing into the swampy Missouri Bootheel.  - KOKX ( 1310 AM ) is a commercial radio station serving the Keokuk , Iowa area . The station primarily broadcasts an adult standards and information format . KOKX is owned by Dana Withers ' Withers Broadcasting Companies , through licensee Withers Broadcasting Company of Iowa , LLC. During daytime broadcasts , the station uses a single tower with essentially an omnidirectional pattern . During the nighttime , KOKX reduces power and switches to an antenna system that uses three towers arranged in a directional array that concentrates the signal toward the northwest .  - Warsaw is a city in Hancock County, Illinois, United States. The population was 1,607 at the 2010 census, a decline from 1,793 in 2000. The city is notable for its historic downtown and the Warsaw Brewery, which operated for more than 100 years beginning in 1861 and, after renovation, reopened as a bar, restaurant and microbrewery in 2006.  - Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies as high as 300 GHz to as low as 3 kHz, though some definitions describe waves above 1 or 3 GHz as microwaves, or include waves of any lower frequency. At 300 GHz, the corresponding wavelength is , and at 3 kHz is . Like all other electromagnetic waves, they travel at the speed of light. Naturally occurring radio waves are generated by lightning, or by astronomical objects.   - Adult standards is a North American radio format heard primarily on AM or class A FM stations.  - Communication (from Latin "commnicre", meaning "to share") is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules.  - North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere. It can also be considered a northern subcontinent of the Americas. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the west and south by the Pacific Ocean, and to the southeast by South America and the Caribbean Sea.  - Keokuk is a city and a county seat of Lee County, Iowa, United States, along with Fort Madison. It is also the most southerly city in Iowa. The population was 10,780 at the 2010 census. The city is named after the Sauk chief Keokuk, who is thought to be buried in Rand Park. It is located in the extreme southeast corner of Iowa where the Des Moines River meets with the Mississippi. It is located at the junction of U.S. Routes 61, 136 and 218. Just across the rivers are the towns of Hamilton and Warsaw, Illinois, and Alexandria, Missouri.  - A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common censuses include agriculture, business, and traffic censuses. The United Nations defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every 10 years. United Nations recommendations also cover census topics to be collected, official definitions, classifications and other useful information to co-ordinate international practice.  - The Des Moines River is a tributary of the Mississippi River in the upper Midwestern United States that is approximately long from its farther headwaters. The largest river flowing across the state of Iowa, it rises in southern Minnesota and flows across Iowa from northwest to southeast, passing from the glaciated plains into the unglaciated hills near the capital city of Des Moines, named after the river, in the center of the state.   - A radio station is a set of equipment necessary to carry on communication via radio waves. Generally, it is a receiver or transmitter, an antenna, and some smaller additional equipment necessary to operate them. Radio stations play a vital role in communication technology as they are heavily relied on to transfer data and information across the world.  - A radio format or programming format (not to be confused with broadcast programming) describes the overall content broadcast on a radio station. Radio formats are frequently employed as a marketing tool, and are subject to frequent change. Music radio, old time radio, all-news radio, sports radio, talk radio and weather radio describe the operation of different genres of radio format and each format can often be sub-divided into many specialty formats.  - Alexandria is a city in Clark County, Missouri, USA. The population was 159 at the 2010 census.    Given the information, choose the subject and object entities that have the relation of 'located in the administrative territorial entity'.
Answer: kokx  , illinois

Question: Information:  - Free jazz is an approach to jazz music that was first developed in the 1950s and 1960s as musicians attempted to alter, extend, or break down jazz convention, often by discarding fixed chord changes or tempos. Though the music of free jazz composers varied widely, a common feature was dissatisfaction with the limitations of bebop, hard bop, and modal jazz that had developed in the 1940s and 1950s. Often described as avant-garde, free jazz has also been described as an attempt to return jazz to its primitive, often religious, roots and emphasis on collective improvisation.  - Burton Greene ( born June 14 , 1937 ) is a free jazz pianist born in Chicago , Illinois , though most known for his work in New York City . He has explored a variety of genres , including avant - garde jazz and the Klezmer medium .  - Hard bop is a subgenre of jazz that is an extension of bebop (or "bop") music. Journalists and record companies began using the term in the mid-1950s to describe a new current within jazz which incorporated influences from rhythm and blues, gospel music, and blues, especially in saxophone and piano playing.    Given the information, choose the subject and object entities that have the relation of 'instrument'.
Answer:
burton greene , piano