TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which current Broadway musical has a Japanese therapist character called Christmas Eve?

SOLUTION: christmas eve

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

SOLUTION: egypt

PROBLEM: Which rapper is the husband of R and B superstar singer, Beyonce?

SOLUTION:
beyonce