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]: Kids call me " Morning " as a nickname ' cause my affections are A.M. .
[A]: Changed


[Q]: Behind a small gate lay a simple section of gray cobblestones .
[A]: Original


[Q]: The room was jammed , some winners standing around and drinking , others seated in several love seats .
[A]:
Changed