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 wisconsin river is a river in the united states.
[A]: wisconsin river


[Q]: renty is a commune.
[A]: renty


[Q]: jorge arvizu (23 july 1932 - 18 march 2014) was a mexican actor who was the first spanish voice, among others, of bugs bunny, fred flintstone and cookie monster.
[A]:
jorge arvizu