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: Most people stay three or four years, sometimes five or ____ years.
Example Output: six

Example Input: Reds can benefit from ____ to nine years' aging .
Example Output: seven

Example Input: Cubs stay with their mothers from ____ and a half to three years.
Example Output:
one