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: Once they were all gathered at the door, he tapped the knocker iron.
Example Output: Inversion

Example Input: In the state apartments, a of crowd His Majesty's courtiers and royal guests devoured a light collation.
Example Output: Inversion

Example Input: His was face pained.
Example Output:
Inversion