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.
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Question: It annoyed me that she would just let him back into the office , but I didn 't want to get angry with the manager .

Answer: Inversion


Question: There was a tightness in the tendons of her neck , and her nostrils flared at each breath .

Answer: Original


Question: His eyes glazed over with predatory concentration , and his preoccupation with his next victim took precedence .

Answer:
Inversion