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

Input: Consider Input: Although it was headquartered at Oak Ridge, TN, and the University of Chicago, what was the name of the WWII project that created the atomic bomb?

Output: nuclear weapon


Input: Consider Input: Which TV screenwriter created the science fiction shows, Survivors and Blake's Seven?

Output: blake's 7


Input: Consider Input: The becquerel (Bq) is a unit of measurement of what?


Output: becquerel