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

[Q]: Who wrote `20,000 Leagues Under The Sea`?
[A]: 20,000 leagues under the sea


[Q]: Buried in neither Westminster nor Windsor, where is the tomb of Edward II?
[A]: edward ii of england


[Q]: Center, Offensive guard, Offensive tackle, Tight end, Wide receiver, Fullback, Running back, Quarterback, Defensive end, Defensive tackle, Nose guard, Linebacker, Cornerback, Safety, Nickelback and Dimeback are positions in which sport?
[A]:
guard