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 was about a fifteen-minute walk , but to Rachel it felt like hours .

SOLUTION: Original

PROBLEM: He treaded water for the both of us , holding me up , and I marveled at his strength .

SOLUTION: Original

PROBLEM: She did everything she could to investigate Mark Bauer from several states away , but she had one more trick up her sleeve .

SOLUTION:
Original