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

Example Input: Gibberellins are diterpenoids derived from four isoprenoid units forming a system of ____ rings.
Example Output: four

Example Input: Many parents start to use inserts for nap and nighttime when their babies are about ____ months old.
Example Output:
four