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: Studies show that childhood obesity is epidemic and that one in ____ children is overweight.
Example Output: five

Example Input: Water is moved underneath the body by most or all of the ____ arms.
Example Output: eight

Example Input: Mice are fertile animals because female mice come into heat every four to ____ days.
Example Output:
five