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]: "if i never see your face again" is the fourth single by maroon 5.
[A]: if i never see your face again


[Q]: glenn branca (october 6, 1948 – may 13, 2018) was an american avant-garde composer and guitarist.
[A]: glenn branca


[Q]: nephritis is inflammation of the kidneys.
[A]:
nephritis