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: Babies can be exclusively breast-fed for their first ____ months of life.
Example Output: six

Example Input: Gloves have ____ ridges or crevices in which the bacteria can hide.
Example Output: no

Example Input: Pipes can vibration in ____ orthogonal directions just like a machine.
Example Output:
three