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:
Child care is provided for children ages six weeks through ____ years of age.

Ex Output:
four

Ex Input:
Plants produce seed at ____ years of age.

Ex Output:
eight

Ex Input:
Water is the only substance found on earth naturally in ____ forms.

Ex Output:
three