In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: All hairs have a life expectancy of _ to six years.

Answer: three


Question: Most cats have only _ to five toes per paw, depending on whether it is the front or back paw.

Answer: four


Question: Older nymphs have four black spots on the thorax and _ on the abdomen.

Answer:
one