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: Norplant implants are ____ matchstick size rods that are inserted into the upper arm.
Example Output: six

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

Example Input: Diabetes comes in ____ forms.
Example Output:
two