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:
Isaac and the others are scouting in New York . "

Ex Output:
Original


Ex Input:
You shouldn 't have to nuzzle the day more than once , though .

Ex Output:
Changed


Ex Input:
It 's the best foot coil we 've got , at the moment , " Joel said .

Ex Output:

Changed