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

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

Ex Output:
three

Ex Input:
Pups consume an average of _ liters of milk a day .

Ex Output:
eight

Ex Input:
Many vultures are also bald, meaning they have _ feathers on their head.

Ex Output:
no