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: Light drives the interconversion of ____ forms of phytochroms.

Answer: two


Question: Many churches have ____ windows on each side of the nave, numbers some consider holy.

Answer: seven


Question: Coyotes typically have five toes on each forefoot and ____ toes on each hind foot.

Answer:
four