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

Input: Consider Input: Unipolar motors have _ coils and are likely to have five or six wires attached.

Output: four

Input: Consider Input: Aquatic adults have prominent red reathery gills, are large, and have _ toes on each foot.

Output: four

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