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:
Nests Have at least one nest for every three to ____ hens.

Ex Output:
four


Ex Input:
Martial arts are multi-sensory, combining all ____ modalities in classes.

Ex Output:
three


Ex Input:
Black women giving birth have a ____ to one higher rate of mortality than white women do.

Ex Output:

four