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

[Q]: What's missing: Magnum Force, The Enforcer, Sudden Impact, and The Dead Pool?
[A]: sudden impact

[Q]: The rivers Axe, Brue, Cary, Parrett, eta, are in which English county?
[A]: castle cary

[Q]: Which 19th century American writer is best known for his Tales of Mystery and Suspense, Tales of the Arabesque and the Grotesque, and his poems The Raven, The Bells and Annabel Lee?
[A]:
annabel lee