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

Example Input: Most amphibians reach maturity at _ or four years.
Example Output: three

Example Input: District judges are attorneys who are elected on non-partisan ballots for terms of _ years.
Example Output: six

Example Input: Many doctors recommend waiting _ to six weeks before resuming sexual intercourse.
Example Output:
five