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

Example Input: What country has an official residence called Blair House, kept for guests of the leader of the country?
Example Output: blair

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: May 28, 1998 saw the death of what Saturday Night Live alum, and voice of Lionel Hutz and Troy McClure on The Simpsons, who was shot while he slept by his wife Brynn Omdahl?
Example Output:
brynn omdahl