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: Potential energy is divided into ____ different types of energy.

Answer: three


Question: All grays have ____ saturation.

Answer: zero


Question: Calves can browse and follow their mother at ____ weeks old and are weaned at five months.

Answer:
three