In this task you are given a sentence with one coordinating conjunction (for, and, nor, but, or, yet, and so). You must judge whether the order of two coordinated clausal conjoints have been inverted or not. Inversion would result in the sentence sounding unnatural. Label the instances as "Original" or "Inversion" based on your judgment.

Input: Consider Input: He heard footsteps approaching from the ship 's forward and his personal secretary entered the salon .

Output: Original


Input: Consider Input: I was clouded with grief and I didn 't know it .

Output: Original


Input: Consider Input: His fingers buckled under the hard muscles , but his claws pierced his enemy 's skin .


Output: Inversion