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]: kesha wizzart (22 october 1988 – 12 july 2007) was an english singer.
[A]: kesha wizzart


[Q]: henan is a province of the people's republic of china.
[A]: henan


[Q]: the tay bridge disaster was one of the great engineering disasters of the 19th century.
[A]:
tay bridge disaster