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:
He stilled , his muscles cramping from strain .

Ex Output:
Changed


Ex Input:
You have a parcel ! "

Ex Output:
Original


Ex Input:
I slump into a rein as I remember her answer .

Ex Output:

Changed