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.
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Question: parnassiinae is a subfamily of butterflies.

Answer: parnassiinae


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

Answer: kesha wizzart


Question: the private lives of elizabeth and essex is a 1939 historical movie.

Answer:
the private lives of elizabeth and essex