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

Ex Input:
Rodents have _ toes on their front feet and five on the hind feet.

Ex Output:
four


Ex Input:
Ethical religions fall into _ subcategories.

Ex Output:
two


Ex Input:
Native fish are silver to brownish yellow with _ vertical black stripes and red fins and snout.

Ex Output:

four