TASK DEFINITION: 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.
PROBLEM: Mouths hung open and all breathing appeared to cease .

SOLUTION: Original

PROBLEM: He laughed in his heart ; and lightly he made this vow , as he ever did .

SOLUTION: Inversion

PROBLEM: Those demons would never leave me , and no matter what happened , all that she 'd taught me would stay with me forever .

SOLUTION:
Original