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

Input: Consider Input: Pelycosaurs are a paraphyletic group of _ primitive families of synapsids.

Output: six


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

Output: five


Input: Consider Input: Young eagles are on their own until they are about _ years old.


Output: five