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: Which poem by Keats and novel by Disraeli both have the same title?

SOLUTION: john keats

PROBLEM: Black or White came from which Michael Jackson album?

SOLUTION:
black or white