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

Ex Input:
What was the first British credit card?

Ex Output:
credit card

Ex Input:
In which city were the 1912 Olympic games held Oslo, Antwerp or Stockholm?

Ex Output:
1912 summer olympics

Ex Input:
What was Cameron Diaz's first major movie (hint: her co-star was Jim Carrey)?

Ex Output:
cameron diaz