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 'm pissing you .
[EX A]: Changed

[EX Q]: Isaac and the others are scouting in New York . "
[EX A]: Original

[EX Q]: He knew that unleashing all mystics , good or evil , was nothing close to bold ... it was cowardice .
[EX A]:
Changed