In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Example Input: Arthritis is the leading cause of disability in the state affecting about one in _ adults.
Example Output: three

Example Input: Pangolins walk on all _ of their stout limbs, which are adapted for digging.
Example Output: four

Example Input: Brown bears grow from six and a half to _ feet long.
Example Output:
nine