Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
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Question: Gorillas are sexually mature at ____ to nine years of age.

Answer: six


Question: Perjury is punishable by imprisonment in state prison for two, three, or ____ years.

Answer: four


Question: Wolves have extremely good night vision, even when they are only ____ months old.

Answer:
three