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

Ex Input:
What was the name of the Prime Minister of Egypt who was assassinated in 1910?

Ex Output:
egypt


Ex Input:
Which 1970s musical film starred Angela Lansbury as a trainee witch?

Ex Output:
angela lansbury


Ex Input:
The Aqua Tower, the first tallest building in the world designed by a team led by a woman, Jeanne Gang, is in which US city?

Ex Output:

aqua