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: I opened the wallet, and regretted immediately it.

Output: Inversion


Input: Consider Input: he said when pulled she her sweater over her head and grabbed her purse.

Output: Inversion


Input: Consider Input: Her friend and coworker had disappeared and she was abandoning the search.


Output: Original