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]: doriva (born 28 may 1972) is a former brazilian football player.
[A]: doriva


[Q]: margaret colin (born may 26, 1958) is an american actress.
[A]: margaret colin


[Q]: jennifer warnes is an american singer.
[A]:
jennifer warnes