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]: Anapsids have ____ openings in the temporal region of their skull.
[EX A]: no

[EX Q]: Mature females bear two or even ____ calves a year.
[EX A]: three

[EX Q]: Canaries have ____ distinct feather types.
[EX A]:
two