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:
all we know is falling is the first album of the band paramore.

Ex Output:
all we know is falling


Ex Input:
odd future is a group of hip hop musicians from los angeles, united states.

Ex Output:
odd future


Ex Input:
this earned reed the nfl defensive player of the year award in 2004.

Ex Output:

ed reed