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:
A fog bank began to seep onto the street , hovering a foot above the ground .

Ex Output:
Original


Ex Input:
After countless aeons their pigments were brilliant still , for the cold and dryness of hideous Leng keep alive many primal things .

Ex Output:

Original