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: Dogs can begin gundog training as early as ____ months of age.
Example Output: six

Example Input: Most cats have five toes on each front paw, but only ____ toes on each back paw.
Example Output: four

Example Input: Osteoporosis is the most common bone disease, affecting one in three women and ____ in twelve men.
Example Output:
one