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

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

Ex Output:
three


Ex Input:
Milk has _ essential nutrients for active bodies.

Ex Output:
nine


Ex Input:
Coho return to freshwater between the ages of _ and four to spawn.

Ex Output:

three