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:
chelers is a commune.

Ex Output:
chelers


Ex Input:
cornish people (cornish: kernowyon) are often regarded as a distinct ethnic group or national identity of the united kingdom, originating in cornwall.

Ex Output:
cornish people


Ex Input:
play-doh is a children's modeling compound.

Ex Output:

play-doh