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

Ex Input:
To which country do the Chatham Islands belong?

Ex Output:
chatham islands


Ex Input:
Which female gymnast won Gold Medals in the Balance Beam and Floor Exercise events in the 1972 Summer Olympics?

Ex Output:
1972 summer olympics


Ex Input:
Which knighted British composer wrote the musical score for the 1957 film, Bridge on the River Kwai?

Ex Output:

the bridge on the river kwai