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

Example Input: Skunks tear out divots of turf that are _ to six inches in diameter.
Example Output: three

Example Input: Bacteria acquire genes for resistance in _ ways.
Example Output: three

Example Input: Abdominoplasty usually takes three or _ hours, depending on the extent of work required.
Example Output:
four