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

Ex Input:
Which Frenchman composed Clair de lune, the famous third movement of Suite bergamasque?

Ex Output:
suite bergamasque


Ex Input:
Who directed the film Bonnie and Clyde?

Ex Output:
bonnie and clyde


Ex Input:
What is the name of the strait which links the Gulf of Aden with the Red Sea?

Ex Output:

aden