In this task you are given a sentence. You must judge whether there exist two consecutive words within the sentence with flipped orders, that is, whether the sentence will make sense and be correct if the order of two consecutive words changes. Label the instances as "Inversion" or "Original" based on your judgment.

Input: Consider Input: Ensure peace on the homefront.

Output: Original


Input: Consider Input: There were several dark shapes, all standing, all swaying, people swaying and humming.

Output: Original


Input: Consider Input: One that she was not looking forward to.


Output: Original