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: The room got brighter , and I stuck my whole hand in .

SOLUTION: Inversion

PROBLEM: I can 't bring myself to go that far , but I know that a lot of girls at college go completely bare .

SOLUTION: Inversion

PROBLEM: The gray-haired cop didn 't seem to buy it , but I fed him the same story .

SOLUTION:
Inversion