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 was wearing pure , cold white , and her lips seemed almost blue .

SOLUTION: Original

PROBLEM: I wondered if any of the passers-by could see him , and he returned to my side .

SOLUTION: Inversion

PROBLEM: We 're not sure exactly where it ends but we 're assuming that Flaherty is working for Callahan .

SOLUTION:
Inversion