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

Ex Input:
Intramural football consists of _ leagues.

Ex Output:
three

Ex Input:
Mares normally give birth to their first foal when they are between _ and six years of.

Ex Output:
three

Ex Input:
House wrens are small birds, four and a half to five and a _ inches in length.

Ex Output:
four