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: Blood Parrots are a hybrid of ____ Cichlids species.

Output: two


Input: Consider Input: Industrial halocarbons are effective ozone-depleters for ____ reasons.

Output: two


Input: Consider Input: Vegetation has ____ important aspects that are subject to change.


Output: three