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

Example Input: Government is divided into _ basic functions.
Example Output: two

Example Input: Young groundhogs are weaned and ready to seek their own dens at _ to six weeks of age.
Example Output: five

Example Input: Stroke affects _ out of five families and is the third leading cause of death.
Example Output:
four