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

Input: Consider Input: Many prosimians have at least _ nipples and produce litters rather than a single offspring.

Output: four


Input: Consider Input: Liquid crystals lack the full _ dimensional position and orientation order of ordinary crystals.

Output: three


Input: Consider Input: Sexual maturity occurs in females when three or four years old and in males at _ years.


Output: five