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

Ex Input:
Least weasels breed one to _ times per year, depending on prey density.

Ex Output:
three


Ex Input:
Mice are fertile animals because female mice come into heat every _ to five days.

Ex Output:
four


Ex Input:
People have _ sets of chromosomes.

Ex Output:

two