instruction:
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.
question:
abraxas grossulariata is a moth of the family geometridae.
answer:
abraxas grossulariata


question:
tronchoy is a commune.
answer:
tronchoy


question:
lincent is a municipality in the belgian province of liège.
answer:

lincent