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.

Ex Input:
We are witnessing a great but very silent revolution in our society.

Ex Output:
Original


Ex Input:
Michael thought a twelve-year-old could babysit ; Jolene disagreed.

Ex Output:
Original


Ex Input:
Bad things happened because people had free will.

Ex Output:

Original