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: He was dressed in a light grey suit and a strand of his dark hair fell over his forehead .

SOLUTION: Original

PROBLEM: I don 't go into details , but I 'm not sure why .

SOLUTION: Original

PROBLEM: Temperatures were still below zero , but we had been spared wind since the blizzard .

SOLUTION:
Inversion