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

Input: Consider Input: Humans seem to be able to sense at least _ forms of energy.

Output: eight


Input: Consider Input: Cortisone drops only every hours _ instead of one.

Output: two


Input: Consider Input: Cockatiels average four to _ eggs per nest, with an egg typically laid every other day.


Output: five