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

Input: Consider Input: Which entertainer uses various names, including Puff Daddy, P. Diddy and Diddy?

Output: p. diddy

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

Output: aragon

Input: Consider 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?
Output: anna lindh