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: It jiggled with her every step and a small bottle of sunscreen was stuffed into her back pocket .

SOLUTION: Inversion

PROBLEM: His voice seemed even rougher , and it sent a shiver over her .

SOLUTION: Original

PROBLEM: He couldn 't even remember when she 'd unbuttoned his shirt , and Air whispered across his chest .

SOLUTION:
Inversion