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

[Q]: Devil's Tower National Monument in Wyoming, USA features prominently in which landmark 1977 science fiction film?
[A]: devils tower


[Q]: Which British TV star and disc jockey said `It`s not affected my work - how healthy do you have to be to play Da Do Ron Ron` in 1992 after confirming he had AIDS?
[A]: hiv/aids


[Q]: What is the official language of Cambodia ?
[A]:
cambodia