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:
vellore district is one of the 32 districts in the tamil nadu state of india.

Ex Output:
vellore district


Ex Input:
vichy is a "commune" in central france, in the auvergne-rhône-alpes region, along the allier river.

Ex Output:
vichy


Ex Input:
he wrote under the pen name d. h. lawrence.

Ex Output:

d. h. lawrence