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]: ' We 're at the end of the wharf , father .
[EX A]: Original

[EX Q]: His Western boots were retained to a shine , and two pistols hung low at his side .
[EX A]: Changed

[EX Q]: An enemy would have added that unity as well , but a Lycan , even a treacherous one , would not want to get anywhere near silver .
[EX A]:
Changed