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.

Example Input: Just keep it simple, life keep simple.
Example Output: Inversion

Example Input: Kellar teased, with a of hint disbelief.
Example Output: Inversion

Example Input: He sank down on it gratefully, almost too weary to undress himself.
Example Output:
Original