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.
One example: He knew it , and he deserved no answer .
Solution is here: Inversion
Explanation: "He knew it" and "he deserved no answer" have been inverted.

Now, solve this: Stephanie found his lack of endurance amusing , and he collapsed at the well-received flat area .
Solution:
Inversion