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:
And Eddie drove down each street , stuffing napkins , leaving packages , drinking coffee , and sitting in parking lots .

Ex Output:
Changed


Ex Input:
The falcon screeched and dove at one of the enemies .

Ex Output:
Original


Ex Input:
A nurse walks over to a beeping machine beside my bed and starts writing down stuff in my chart .

Ex Output:

Original