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

[EX Q]: Manatees reach sexual maturity in _ to five years.
[EX A]: two

[EX Q]: All butterflies have _ pairs of legs.
[EX A]: three

[EX Q]: Chevrotains are able to hold their breath for about _ minutes.
[EX A]:
four