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

Ex Input:
Miss Rosa Dartle is a character in which Charles Dickens novel?

Ex Output:
james steerforth


Ex Input:
What type of creature is an argali?

Ex Output:
argali


Ex Input:
In which board game do players use a 'doubling cube', which has the numbers 2,4,8,16,32,64 on it?

Ex Output:

board game