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:
funkadelic was a funk band from the united states.

Ex Output:
funkadelic


Ex Input:
pablo escobar and his brother's school once sent them home because they had no shoes and no money to buy them.

Ex Output:
pablo escobar


Ex Input:
shiri maymon (born may 17, 1981 in haifa, israel) is an israeli (pop) singer.

Ex Output:

shiri maymon