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.

Input: Consider Input: Weight is proportionate to body volume, measured in ____ dimensions.

Output: three


Input: Consider Input: Photosynthesis has ____ main sets of reactions.

Output: two


Input: Consider Input: Domestic violence affects at least one out of ____ American families.


Output: four