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:
eugenio bersellini (10 june 1936 – 17 september 2017) was an italian football player and manager.

Ex Output:
eugenio bersellini


Ex Input:
love hina is a japanese manga.

Ex Output:
love hina


Ex Input:
kournikova sponsored a video game called "anna kournikova's smash court tennis" for the sony playstation in 1999.

Ex Output:

anna kournikova