You will be given a definition of a task first, then some input of the task.
In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: Metro-Goldwyn-Mayer Studios Inc. (abbreviated as MGM or M-G-M, also known as Metro-Goldwyn-Mayer Pictures, Metro-Goldwyn-Mayer or Metro, and for a former interval known as Metro-Goldwyn-Mayer/United Artists, or MGM/UA) is an American media company, involved primarily in the production and distribution of feature films and television programs., Harry Clifford Keel (April 13, 1919November 7, 2004), known professionally as Howard Keel was an American actor and singer. He starred in many film musicals of the 1950s. He is best known to modern audiences for his starring role in the CBS television series "Dallas" from 1981 to 1991, as Clayton Farlow, opposite Barbara Bel Geddes's character. But to an earlier generation, with his rich bass-baritone singing voice, he was known as the star of some of the most famous MGM film musicals ever made., Song of the Open Road is a 1944 musical comedy film directed by S. Sylvan Simon , from a screenplay by Irving Phillips and Edward Verdier . It was the debut film of teenage singer Jane Powell . Powell 's real name was Suzanne Burce , but prior to the release of this film MGM assigned her the stage name '' Jane Powell '' ( the name of the character she portrays in this film ) ., Royal Wedding is a 1951 Metro-Goldwyn-Mayer musical comedy film starring Fred Astaire and Jane Powell, with music by Burton Lane and lyrics by Alan Jay Lerner. The film was directed by Stanley Donen; it was his second film and the first he directed on his own. It was released as Wedding Bells in the United Kingdom., Jane Powell (born Suzanne Lorraine Burce, April 1, 1929) is an American singer, dancer, and actress. Powell rose to fame during her childhood as a singer in her hometown of Portland, Oregon, and signed to Metro-Goldwyn-Mayer while still in her teens. Once there, the studio used her vocal, dancing, and acting talents, casting her in such musicals as "Royal Wedding" (1951) with Fred Astaire, "A Date with Judy" (1948) with friend Elizabeth Taylor, and "Seven Brides for Seven Brothers" (1954) with Howard Keel. In the late 1950s, her film career slowed, leading her to a prolific theater and television career., Dame Elizabeth Rosemond Taylor, DBE (February 27, 1932 March 23, 2011) was a British-American actress, businesswoman, and humanitarian. She began as a child actress in the early 1940s, and was one of the most popular stars of classical Hollywood cinema in the 1950s. She continued her career successfully into the 1960s, and remained a well known public figure for the rest of her life. The American Film Institute named her the seventh-greatest female screen legend in 1999., Subject: song of the open road, Relation: distributor, Options: (A) american film institute (B) cbs (C) united artists (D) united kingdom
Output:
united artists