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: Scientists divide the mosses into ____ groups .
Example Output: eight

Example Input: Water emits oscillations that are measurable from ____ through Megahertz.
Example Output: zero

Example Input: Diabetics take ____ per day.
Example Output:
three