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

Ex Input:
Which SF author wrote The Day it Rained Forever?

Ex Output:
the day it rained forever


Ex Input:
Which former Portuguese African Colony joined the British Commonwealth in 1995?

Ex Output:
commonwealth of nations


Ex Input:
Albert II became King of the Belgians in 1993 on the death of his brother. What was his brother's name?

Ex Output:

albert ii of belgium