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

Example Input: Which TV screenwriter created the science fiction shows, Survivors and Blake's Seven?
Example Output: blake's 7

Example Input: Which future Nobel Prize winner did Bill Clinton choose as his Vice President?
Example Output: vice president of the united states

Example Input: Buried in neither Westminster nor Windsor, where is the tomb of Edward II?
Example Output:
edward ii of england