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]: Ostriches come in at least ____ breeds.
[EX A]: two

[EX Q]: Herbs require at least ____ hours of sunlight.
[EX A]: six

[EX Q]: Some astronauts stay in space, ____ months or more, testing equipment and solitude.
[EX A]:
six