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

Ex Input:
Skin cancer affects one in _ people in the United States over a lifetime.

Ex Output:
six

Ex Input:
Rheas are brownish instead of black like the ostrich and have _ toes instead of two.

Ex Output:
three

Ex Input:
Alpacas are ruminants with _ stomachs and very efficiently convert hay and grass to energy.

Ex Output:
three