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:
the vickers machine gun (also known as the vickers gun) was a machine gun that was used by the british army from 1912 to 1968.
answer:
vickers machine gun


question:
aaron downey (born august 27, 1974 in shelburne, ontario) is a canadian retired professional ice hockey right winger that played 10 seasons in national hockey league.
answer:
aaron downey


question:
pont-sur-vanne is a commune.
answer:

pont-sur-vanne