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:
hedi turki (15 may 1922 – 31 march 2019) was a tunisian artist.

Ex Output:
hedi turki


Ex Input:
ans is a municipality in the belgian province of liège.

Ex Output:
ans


Ex Input:
the arrondissement of auxerre is an arrondissement of france.

Ex Output:

arrondissement of auxerre