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

Ex Input:
Calves grow quickly and are weaned from their mothers in only _ to four months.

Ex Output:
three


Ex Input:
Female cats can go into heat for the first time as early as _ months of age.

Ex Output:
five


Ex Input:
Alpacas are pseudo-ruminants, with a single stomach divided into _ compartments.

Ex Output:

three