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: Brook stickleback have prominent mouths, large eyes and ____ to six spines on their backs.
Example Output: four

Example Input: Some babies start sleeping through the night on their own around three or ____ months.
Example Output: four

Example Input: Christian baptism is administered in ____ modes.
Example Output:
three