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

Ex Input:
Cichlids are popular in the aquarium hobby for a _ reason.

Ex Output:
four


Ex Input:
Most people have a bowel movement anywhere between three times per day to _ times per week.

Ex Output:
three


Ex Input:
Breast milk is the best source of nutrition for the first _ months of life.

Ex Output:

six