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: They sat in the shade of a cluster of trees and he gulped down as much water as he could to cool his body .

SOLUTION: Original

PROBLEM: Her shoulders convulsed with burning tears , and her throat closed over the words .

SOLUTION: Inversion

PROBLEM: John rubbed her back , and Brooke kissed Emily 's cheek .

SOLUTION:
Inversion