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

Input: Consider Input: Salt has at least _ unique qualities.

Output: three


Input: Consider Input: Young pandas mature very slowly and are almost _ months old before they are weened.

Output: six


Input: Consider Input: Birds usually feed in _ types of areas - ground, tabletop, hanging and tree trunk.


Output: four