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

Input: Consider Input: Humans are bipeds who stand between _ to six feet in height when fully grown.

Output: five


Input: Consider Input: Most insects have _ wings, but dipterans have only two.

Output: four


Input: Consider Input: Hydrothermal vents remain active for a limited amount of time, perhaps _ to fifty years.


Output: ten