In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[Q]: Cubs stay with their mothers for up to _ years.
[A]: three

[Q]: Seasons mean very little in our world of _ hemispheres.
[A]: two

[Q]: Cyberpunks come in _ different genders being hackers, crackers and phreakers.
[A]:
three