Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

Q: the sun belt conference is a group of college sports teams that play each other on the ncaa division i level.

A: sun belt conference
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Q: jena malone (born november 21, 1984, sparks, nevada) is an american actress.

A: jena malone
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Q: the crossbow, or arbalest, is a bow which consists of a bow-like arc called "prod" and cross-wise body called "stock" and trigger mechanism.

A:
crossbow
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