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.

Example Input: We left his room , and Jonah grabbed up keys .
Example Output: Inversion

Example Input: The wedding march begins and my stomach flutters .
Example Output: Original

Example Input: She moves forward , but I stand still .
Example Output:
Original