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]: Spermatogenesis creates ____ sperm of equal size.
[EX A]: four

[EX Q]: Clovers occasionally have leaves with ____ leaves, instead of the usual three.
[EX A]: four

[EX Q]: Planaria can live for up to ____ months without food.
[EX A]:
three