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.

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

A: Original
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Q: He sank into her and they groaned in unison .

A: Original
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Q: She had the feeling that he didn 't believe her for a second , but he smiled softly .

A:
Inversion
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