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: Her face skewed into a crooked smile and she followed it with laughter .

SOLUTION: Original

PROBLEM: The black paint on our window shutters is peeling off in big chunks , and they 're in desperate need of a trim .

SOLUTION: Inversion

PROBLEM: He hadn 't said where they were going , but it really didn 't matter .

SOLUTION:
Original