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

Ex Input:
Who was the father of Edward the Elder, the Anglo-Saxon King from 899 to 924?

Ex Output:
edward the elder


Ex Input:
What was the computer's name in 2001: A Space Odyssey?

Ex Output:
2001: a space odyssey


Ex Input:
The Aberdare mountains are in which African country?

Ex Output:

aberdare range