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

Input: Consider Input: Diffusion occurs between the capillaries of the _ blood supplies.

Output: two


Input: Consider Input: Polymorphism occurs in all species and the mandibles bear _ teeth.

Output: four


Input: Consider Input: True armyworms complete _ or more generations per year in North Carolina.


Output: five