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

Input: Consider Input: Tourism is among the _ largest industries in each of the western states.

Output: three

Input: Consider Input: Lions stand between _ and a half and four feet tall at the shoulder.

Output: three

Input: Consider Input: Vaccination typically occurs at _ to eight weeks of age in kittens.
Output: six