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]: county monaghan (in gaelic ) is a county in ireland.
[EX A]: county monaghan

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

[EX Q]: escherichia is a genus of bacteria.
[EX A]:
escherichia