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]: 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.
[A]: vickers machine gun


[Q]: 2ne1 is a pop group of female singers from south korea.
[A]: 2ne1


[Q]: blaine higgs (born march 1, 1954) is a canadian politician.
[A]:
blaine higgs