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: Monatomic elements have with ____ atoms in each per molecule.
Example Output: three

Example Input: Sponges are subdivided into ____ classes.
Example Output: three

Example Input: Black bears stand ____ to six feet long and almost three feet at the shoulders when on all fours.
Example Output:
five