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: Most species have four toes, ____ of which are forward-pointing.
Example Output: three

Example Input: Asbestos is a generic term used to describe the fibrous form of ____ different minerals.
Example Output: six

Example Input: Paints typically contain ____ types of polymers.
Example Output:
two