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

Input: Consider Input: Rams can be policerate, often producing _ horns.

Output: four


Input: Consider Input: Triaxial fabric is woven with _ sets of yarn whose intersections form equilateral triangles.

Output: three


Input: Consider Input: Flagella consist of _ parallel protein fibers intertwined into a triple helical structure.


Output: three