instruction:
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.
question:
priyanka chopra (born on 18 july 1982 in jamshedpur, bihar, india) is an indian actress, singer and dancer.
answer:
priyanka chopra


question:
causality is a way to describe how different events relate to one another.
answer:
causality


question:
jeotgalicoccus huakuii is a bacterium.
answer:

jeotgalicoccus huakuii