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: "canuck" is a slang term for canadian people.

Answer: canuck


Question: kurt julius isselbacher (september 12, 1925 – july 18, 2019) was a german-born american physician and gastroenterologist.

Answer: kurt julius isselbacher


Question: heitor villa-lobos (born 5 march 1887; died 17 november 1959) was a brazilian composer.

Answer:
heitor villa-lobos