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

Ex Input:
What currency is used on Christmas Island?

Ex Output:
christmas island


Ex Input:
Which former 'Eastenders' actor and Labour activist was elected to be one of the West Midlands representatives in the European parliamentary elections of 1999?

Ex Output:
eastenders


Ex Input:
Chianti must contain at least 75% of which Italian grape variety?

Ex Output:

chianti