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.

Q: heybeliada is an island in sea of marmara in turkey.

A: heybeliada
****
Q: tricity is a big centre for tourism.

A: tricity
****
Q: louvrechy is a commune.

A:
louvrechy
****