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 were gaining on us , but the rest of Pioneer held off the Var .

SOLUTION: Inversion

PROBLEM: A sigh escaped her mouth , but he caught it .

SOLUTION: Original

PROBLEM: Unseen branches whipped across her face and she stumbled over hidden roots .

SOLUTION:
Original