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 regret confronting this burden on one so young , but you are the most likely to succeed .
[A]: Changed


[Q]: Wrapped in a red cloth was a brown mixture , ground down like grains in a mill to a course powder that emitted an awful stench .
[A]: Original


[Q]: Fire and ice in operatic proportions filled the evening as the magician fought and vanquished each of his imaginary foes .
[A]:
Original