Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: In the film `Breakfast at Tiffanys`, what is the name of Audrey Hepburn`s character`s cat ?

Answer: breakfast at tiffany's


Question: Which group of the 1970's featured Tony Iommi on guitar, Geezer Butler on bass and Bill Ward on drums?

Answer: geezer butler


Question: Which of the American Idol judges has been there for all 10 seasons?

Answer:
american idol