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

Input: Consider Input: Cockroaches require food every _ to ten days but mut take in water every ten days.

Output: seven

Input: Consider Input: Perennial grass takes _ to five years before it is mature enough to produce adequate seed.

Output: three

Input: Consider Input: Children jump _ times when the clock strikes twelve to 'grow taller'.
Output: ten