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: He rang his father immediately and they had ordered him home .

SOLUTION: Original

PROBLEM: He spoke to us , even wrote down what we said , but he never looked at anyone else .

SOLUTION: Original

PROBLEM: The amusement didn 't reach his eyes , but it was a look Cassie recognized well .

SOLUTION:
Inversion