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

Example Input: 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?
Example Output: hiv/aids

Example Input: Which Bob Dylan song begins You got a lotta nerveTo say you are my friend. When I was down, You just stood there grinning?
Example Output: bob dylan

Example Input: Which architect designed the Queen's House Greenwich and the Banqueting House in Whitehall?
Example Output:
banqueting house, whitehall