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:
Not that she minded ; Alexia had always preferred necklaces herself .

Ex Output:
Changed


Ex Input:
I tried to invent the group away from physical violence .

Ex Output:
Changed


Ex Input:
Their reputations are black .

Ex Output:

Changed