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]: He looked dusty and ordinary in comparison beside Sam 's black flop of hair and golden eyes .
[A]: Original


[Q]: I already got the wood and nails for them from a carpenter .
[A]: Original


[Q]: War was imminent , and each clan wanted to make sure they allied themselves with the winning side .
[A]:
Original