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:
Then bodies began to sympathize .

Ex Output:
Changed


Ex Input:
I really shouldn 't have provoked her like that .

Ex Output:
Original


Ex Input:
" You 're just a workbench beside that tree .

Ex Output:

Changed