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

Input: Consider Input: Reverse osmosis uses three to ten gallons of water to produce _ gallon of drinking water.

Output: one


Input: Consider Input: Some women have _ or more children by different men.

Output: five


Input: Consider Input: Orangutans give birth only once every _ or nine years.


Output: eight