Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[Q]: Which 1981 film , directed by John Huston, starred footballers Bobby Moore, Pele and Osvaldo Ardiles?
[A]: osvaldo ardiles


[Q]: What country has an official residence called Blair House, kept for guests of the leader of the country?
[A]: blair


[Q]: Which of these is the correct title of a work by Edward Hopper?
[A]:
edward hopper