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:
Acute sinusitis is any infectious process in the sinus lasting from one day to _ weeks.

Ex Output:
three


Ex Input:
Mustelids have _ toes on their feet and their claws can be retracted by some species.

Ex Output:

five