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 quickly fell into his familiar role of coach , targeting his team .
[A]: Changed


[Q]: Something was off this time ; I could almost feel the heaps .
[A]: Changed


[Q]: And they have infiltrated the palace on every level . "
[A]:
Original