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.

[EX Q]: I 'd used it to illuminate all manner of moans and screams when ... Noah .
[EX A]: Changed

[EX Q]: Though my hands were trembling , I lifted my gaze and met his without flinching .
[EX A]: Original

[EX Q]: Edward explained how he used to be schooled by Thomas ; at least he would like to keep up with the sword .
[EX A]:
Original