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

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

Ex Output:
four


Ex Input:
Conflict is inevitable whenever _ or more people work together.

Ex Output:
two


Ex Input:
Moles breed in late winter or spring and have a gestation period of about four to _ weeks.

Ex Output:

six