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: Deer mice have four toes on the forefeet and ____ toes on the hind feet.
Example Output: five

Example Input: Stereo cameras track the fly's movement in ____ dimensions.
Example Output: three

Example Input: Mice become sexually mature in just a couple months and produce about eight litters in ____ year.
Example Output:
one