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.

Example Input: Tin has ____ allotropic forms.
Example Output: two

Example Input: Elves are the first of the ____ families of fairy People.
Example Output: eight

Example Input: Cooked peanuts have a shelf life up to ____ weeks.
Example Output:
six