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 monster was gone , and the glowing eyes disappeared .

SOLUTION: Inversion

PROBLEM: In its place was a gash , and the steel post that had been there was gone .

SOLUTION: Inversion

PROBLEM: I hadn 't proven to be much use helping him find it , but I had no idea what it did .

SOLUTION:
Inversion