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.

She keeps insisting his death must have been some sort of accident and the money must have just been misplaced .
Original

The sound echoed through the sanctuary , and Ponytail nearly did a backflip .
Original

His eyes held what looked like genuine warmth , and it gave his sharp face a relaxed look she wasn 't really used to seeing .

Inversion