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: Macular degeneration comes in ____ forms, dry and wet.
Example Output: two

Example Input: African music has as many as ____ rhythms in command at once.
Example Output: four

Example Input: Trout can spawn up to ____ times before dying, unlike the above salmon species.
Example Output:
four