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: Owls have ____ toes on each foot, like most birds.

Answer: four


Question: Immature house centipedes start with ____ body segments.

Answer: four


Question: Rheumatic fever begins ____ to six weeks after an untreated streptococcal infection.

Answer:
one