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

Input: Consider Input: Double price is based on two golfers sharing _ room.

Output: one


Input: Consider Input: Most volcanoes erupt for _ to four weeks and then rest.

Output: three


Input: Consider Input: Female dugongs give birth underwater to a single calf at three to _ year period of time.


Output: seven