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 Input:
My sorcery was weak here . "

Ex Output:
Original


Ex Input:
These reminded him more of her , so he walked up and paid for them , not noticing the looks the coyote gave him .

Ex Output:
Changed


Ex Input:
My heels banged loudly against the wooden planks of the dock , and the alligator let out an annoyed hiss .

Ex Output:

Changed