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: love hina is a japanese manga.
Example Output: love hina

Example Input: pennywise is an american melodic hardcore band.
Example Output: pennywise

Example Input: caviano is a former municipality of the district locarno in the canton of ticino in switzerland.
Example Output:
caviano