In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Some bird feeders have _ perches at all, but neither do tree trunks.

Answer: no


Question: Arthritis is the leading cause of disability in the state affecting about one in _ adults.

Answer: three


Question: Osteoporosis is a disease that hits women _ times as frequently as men.

Answer:
three