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 Input:
the viverridae is a family of small to medium-sized mammals, the viverrids.

Ex Output:
viverridae


Ex Input:
blairlogie is at the base of the great cliff of dumyat between stirling and menstrie was one of central scotland's earliest conservation villages.

Ex Output:
blairlogie


Ex Input:
the 2006 atlantic hurricane season was an annual event in the yearly cycle of tropical cyclones.

Ex Output:

2006 atlantic hurricane season