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: We were best friends.

Output: Original


Input: Consider Input: Both of their eyes were warring between and black red.

Output: Inversion


Input: Consider Input: Gray had to trust that Karen knew where she was going.


Output: Original