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 James and someone walked in .

SOLUTION: Inversion

PROBLEM: We heard a rustling in the leaves far away , but then we heard giggling .

SOLUTION: Original

PROBLEM: She heard Storm call out something , but it was lost in the sickening vertigo building in her head from the gut-wrenching turmoil of being teleported .

SOLUTION:
Original