Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Ex Input:
Snowmobiles can accommodate ____ riders per vehicle.

Ex Output:
two

Ex Input:
Pacific salmon leave their home stream, swim out to sea and return ____ to six years later to spawn.

Ex Output:
one

Ex Input:
Kiang reach sexual maturity at ____ years of age.

Ex Output:
two