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: White chocolate is a confection of fat and sugar and contains ____ antioxidants at all.
Example Output: no

Example Input: Collages can have two or ____ layers.
Example Output: three

Example Input: Snowboards have ____ rails.
Example Output:
two