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:
And, just as they are about to engulf her, she suddenly feels as light a as feather, and bounds away in long effortless strides.

Ex Output:
Inversion


Ex Input:
We were best friends.

Ex Output:
Original


Ex Input:
And why didn't he use it ?

Ex Output:

Original