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'd seen some YouTube videos of it, but none of them were good of quality.

Output: Inversion


Input: Consider Input: She hadn't too thought much about it since that day, but now, the thoughts came rushing down in a torrent.

Output: Inversion


Input: Consider Input: Humans require REM sleep.


Output: Original