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]: I resigned , and later I turned in a report to the FDA with all this documentation . "
[A]: Original


[Q]: You have someone fueling the chicks ? "
[A]: Changed


[Q]: Riva continued to hammer on those two glowing lumps of iron until he 'd roughed out the shape of the blade and the hilt .
[A]:
Original