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.

[EX Q]: Some prisons house up to ____ times their capacity.
[EX A]: seven

[EX Q]: Calves are spotted when born and develop their brown coats in ____ months.
[EX A]: six

[EX Q]: Lenses have ____ main shapes .
[EX A]:
three