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: Spiders have eight legs and usually have ____ eyes.
Example Output: eight

Example Input: Argentine ants are able to establish new colonies with as little as ten worker ants and ____ queen.
Example Output: one

Example Input: Medical science takes ____ months or more to create a vaccine once a new strain appears.
Example Output:
eight