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: the long-beaked echidnas make up one of the two genera (genus zaglossus) of echidna.

A: long-beaked echidna
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Q: norio yoshimizu (吉水 法生, yoshimizu norio, born august 21, 1946) is a former japanese football player.

A: norio yoshimizu
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Q: the 1970 pacific hurricane season began on may 15, 1970 in the east pacific, and on june 1, 1970 in the central pacific.

A:
1970 pacific hurricane season
****