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: They sought to break him with their tortures , but he was an old man , one used to keeping secrets .

SOLUTION: Original

PROBLEM: She comes back to visit when she can , but she 's still gone .

SOLUTION: Inversion

PROBLEM: I surprised her anyway , but we didn 't really have the money for the tickets .

SOLUTION:
Inversion