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 Q]: erzurum is a city in eastern anatolia (asian turkey).
[EX A]: erzurum

[EX Q]: priyanka chopra (born on 18 july 1982 in jamshedpur, bihar, india) is an indian actress, singer and dancer.
[EX A]: priyanka chopra

[EX Q]: peter berling (20 march 1934 – 20 november 2017) was a german actor, movie producer and writer.
[EX A]:
peter berling