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 've roped them all in and they can 't get away ! "

Ex Output:
Original


Ex Input:
Verity reached the bluff overlooking the ravine where she had seen the small boat earlier .

Ex Output:
Changed


Ex Input:
He would be in front of a gas station in a big open lot that would make easy target practice for any trained shooter .

Ex Output:

Original