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: She had backed herself up to the wall , and she was dismayed when she realized there was less than three feet between them .

SOLUTION: Inversion

PROBLEM: It should have opened then , but it didn 't .

SOLUTION: Original

PROBLEM: He said he 'd heard about her arrest and he seemed surprised at my decision to leave the money with the family .

SOLUTION:
Original