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]: zabno (polish: zabno) is a town in poland.
[A]: zabno

[Q]: the river trent is one of the major rivers of england.
[A]: river trent

[Q]: the acm a.m. turing award is an annual prize given by the association for computing machinery (acm) to "an individual selected for contributions of a technical nature made to the computing community".
[A]:
turing award