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: Calcite makes up ____ well known rocks limestone and marble.
Example Output: two

Example Input: Women have about ____ times as many foot problems as men.
Example Output: four

Example Input: Dogs have ____ eyelids.
Example Output:
three