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

Ex Input:
Which Irish boxer was nicknamed the Clones Cyclone?

Ex Output:
boxing


Ex Input:
In which film of 1995 did Robert De Niro and Al Pacino appear on screen together for the first time?

Ex Output:
al pacino


Ex Input:
Abebe Bikila was the only athlete to win the Olympic marathon twice and in successive Olympic games. What country did he represent?

Ex Output:

abebe bikila