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

Example Input: Allergic rhinitis is the most common allergic disease, with one in _ Canadian adults affected.
Example Output: five

Example Input: Merlin is about five and _ half inches long.
Example Output: one

Example Input: American centipedes can range in size from a few millimeters to just over _ inches in length.
Example Output:
six