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.

Q: Humans grow with ____ sets of teeth.

A: two
****
Q: Threshold is a value to avoid ____ divide.

A: zero
****
Q: Corns come in ____ types.

A:
two
****