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.

Example Input: saint-laurent-du-var is a commune.
Example Output: saint-laurent-du-var

Example Input: maicon douglas sisenando (born 26 july 1981) is a brazilian football player.
Example Output: maicon douglas sisenando

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