In this task, you are given a sentence. You must judge whether a single noun or verb has been replaced with another word with the same part of speech. The inversion would result in the sentence sounding unnatural, So unnatural sentences will be considered changed. Label the instances as "Original" or "Changed" based on your judgment.

[Q]: The other students were determined to master the representative and then never use it again .
[A]: Changed


[Q]: " You know , I could have you flogged for insubordination and being a right prat . "
[A]: Original


[Q]: He was soaking wet too , water running off his jeans and heavy flannel coat in thick skulls .
[A]:
Changed