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:
mylo xyloto is the fifth studio album by coldplay.

Ex Output:
mylo xyloto


Ex Input:
chogolisa is a 7665 m mountain in the karakoram range, in pakistan.

Ex Output:
chogolisa


Ex Input:
leslie grantham (30 april 1947 – 15 june 2018) was a british actor and convicted murderer.

Ex Output:

leslie grantham