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:
Respiratory therapists complete two to ____ years of education.

Ex Output:
four


Ex Input:
Women are ____ times more likely to experience SAD than men.

Ex Output:
three


Ex Input:
Triglycerides contain three fatty acid molecules and ____ glycerol molecule.

Ex Output:

one