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 entrusted his assessment in short order .
[A]: Changed


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


[Q]: Inside the boathouse , the retractable floor to the sea below the ship had been opened , listing available space .
[A]:
Changed