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

Example Input: Intramural football consists of _ leagues.
Example Output: three

Example Input: Cancer can start in any of the _ sections or where the colon ends in the rectum.
Example Output: four

Example Input: Rheumatic fever begins _ to six weeks after an untreated streptococcal infection.
Example Output:
one