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: Some niqabs have ____ or two holes for the eyes.
Example Output: one

Example Input: Viceroys produce ____ generations per year, and the food habits of each generation differs.
Example Output: three

Example Input: Accountability is a ____ way street.
Example Output:
two