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

Ex Input:
In 2011, Christian Bale won a Best Supporting Actor Oscar for his role as an assistant to his half-brother in which boxing related film?

Ex Output:
christian bale


Ex Input:
In which book of the Bible are the Ten Commandments first mentioned?

Ex Output:
bible


Ex Input:
Baron Bomburst is a character in which British family film?

Ex Output:

baron bomburst