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.

Example Input: anton rubinstein (born vikhvatinets 28 november 1829; died petershof 20 november 1894) was a russian pianist and composer.
Example Output: anton rubinstein

Example Input: grand-corent is a commune.
Example Output: grand-corent

Example Input: a shinto shrine is a place where people worship in the shinto religion.
Example Output:
shinto shrine