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

Ex Input:
Most litters have two to _ kittens.

Ex Output:
four


Ex Input:
Some school boards have _ teacher-librarians at all.

Ex Output:
no


Ex Input:
Southern moles are six to seven inches long and weigh three to _ ounces.

Ex Output:

four