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:
pramod kharel (; born 6 november 1979) is a nepalese singer.

Ex Output:
pramod kharel


Ex Input:
the cyclostomes (or cyclostomata) are the lamprey and hagfish.

Ex Output:
cyclostome


Ex Input:
jhelum (urdu and ) is a city on the right bank of the jhelum river, in the district of the same name in the north of punjab province, pakistan.

Ex Output:

jhelum