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

[EX Q]: Weasels reaching _ to six years are regarded as fully mature.
[EX A]: five

[EX Q]: Sex is something _ people have.
[EX A]: two

[EX Q]: Herbal medicine is taken three times a day for _ days a week during that time.
[EX A]:
seven