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

Ex Input:
Aragon and Castile joined to form which country?

Ex Output:
aragon


Ex Input:
Which football team play home games at Bloomfield Road?

Ex Output:
bloomfield road


Ex Input:
What was the occupation of Anna Lindh, who was assassinated in 2003 while shopping in the ladies' department at the Nordiska Kompaniet store in Stockholm?

Ex Output:

anna lindh