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

Input: Consider Input: Coral reefs make up only _ per cent of the area of the Great Barrier Reef.

Output: five


Input: Consider Input: Pancreatic juice is of _ types.

Output: two


Input: Consider Input: Hearing is acute by _ or four weeks and kittens learn to determine what sounds mean.


Output: three