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.

Input: Consider Input: tronchoy is a commune.

Output: tronchoy

Input: Consider Input: grand-corent is a commune.

Output: grand-corent

Input: Consider Input: jean-luc godard (born 3 december 1930) is a french-swiss movie director, producer, editor, cinematographer, writer and actor.
Output: jean-luc godard