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.

[EX Q]: morsain is a commune.
[EX A]: morsain

[EX Q]: he is more often called davy crockett.
[EX A]: davy crockett

[EX Q]: the bell uh-1y venom is a us military helicopter.
[EX A]:
bell uh-1y venom