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]: " Miss , " the stewardess said , leaning into her chair .
[A]: Original


[Q]: He had no stamina .
[A]: Original


[Q]: The first Participant to collect the first five hundred points will conclude the Royal Challenge .
[A]:
Original