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.

Another sniff made her change her mind , but at least she 'd see where she was if she found the roof , she reasoned .
Inversion

They spent the weekend touring around the Washington , D.C. area and Rachel couldn 't believe how happy she was to just be in his company .
Original

You 'll know it , but you won 't be able to prove it .

Original