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: Taiwanese law permits a jail term of up to ____ years for spreading computer viruses.
Example Output: three

Example Input: Acupuncture needles are about two to ____ inches long.
Example Output: three

Example Input: Numeric addresses are ____ sets of three- digit numbers separated by periods.
Example Output:
four