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.

Ex Input:
Kent , the one who built this amazing ship , stands at the wheel , fighting the wind that threatens to blow us off course .

Ex Output:
Original


Ex Input:
But that doesn 't explain the imprint of the wreckage .

Ex Output:
Changed


Ex Input:
He covered her roving hand .

Ex Output:

Original