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

Input: Consider Input: Urushiol oil can be active on any surface for _ years and possibly longer.

Output: five


Input: Consider Input: Planaria has rudimentary eyes which produce _ images but detect direction.

Output: no


Input: Consider Input: Lobelia Take _ capsules after three meals each day.


Output: two