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: Lunar eclipses occur every ____ months, on average.

Answer: six

Question: Most aquatic life does well in water with oxygen concentrations of ____ parts per million.

Answer: nine

Question: Some women go through the menopause with few or ____ symptoms at all.

Answer:
no