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: barbara cook (october 25, 1927 – august 8, 2017) was an american singer and actress.

Answer: barbara cook


Question: the wwe united states championship is a professional wrestling championship in world wrestling entertainment (wwe).

Answer: wwe united states championship


Question: nefastus dies is a canadian black and death metal band from montreal, quebec.

Answer:
nefastus dies