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

Example Input: Psychiatrists categorize symptoms into _ categories.
Example Output: three

Example Input: Mares normally give birth to their first foal when they are between _ and six years of.
Example Output: three

Example Input: Sociology is _ less divided among areas of study, paradigms, and value commitments.
Example Output:
no