instruction:
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.
question:
His face was the picture of innocence , but I caught the amusement in his voice .
answer:
Original


question:
He conceded a step and his mouth fell open .
answer:
Inversion


question:
The smell was just too strong , but I tried to close my nose .
answer:

Inversion