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: Substance abusers have ____ hundred percent higher medical costs and benefits.

Answer: three


Question: Stereo cameras track the fly's movement in ____ dimensions.

Answer: three


Question: Harbor porpoises live in groups averaging one to ____ individuals and are very skittish.

Answer:
three