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: Black widows mature in two to ____ months.

Answer: four


Question: Mature females bear two or even ____ calves a year.

Answer: three


Question: Chemistry is divided into ____ components - organic and analytical.

Answer:
two