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:
I 'd used it to illuminate all manner of moans and screams when ... Noah .

Ex Output:
Changed


Ex Input:
It was extremely rare to begin with , but not only that , it wasn 't the right time or place to be occurring .

Ex Output:
Original


Ex Input:
He extricated himself and after a bit of banging , Lin opened her bedroom door .

Ex Output:

Original