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]: aillant-sur-tholon is a commune.
[A]: aillant-sur-tholon


[Q]: click beetle is the common name for beetles in the family elateridae.
[A]: click beetle


[Q]: l'elisir d'amore is an italian comic opera in two acts.
[A]:
l'elisir d'amore