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:
Thankfully our server appeared with several pitchers of wine and plates of food .

Ex Output:
Original


Ex Input:
The inside is remarkably clean ; no trash , freshly swept , and no smells of decay or garbage .

Ex Output:
Original


Ex Input:
Messengers had passed to and fro between all their cities , colonies and strongholds ; for they resolved now to win the endorsement of the North .

Ex Output:

Changed