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: Hyacinths have a wingspan reaching nearly ____ feet.

Answer: four


Question: Hydroplanes have ____ or more wetted surface areas.

Answer: two


Question: Sexual maturity occurs at three to ____ years for females and four to five years for males.

Answer:
four