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 knew that establishment was being filmed ; only a fool wouldn 't expect those rooms were videoed .

Ex Output:
Changed


Ex Input:
She hadn 't realized that being with someone less perfect , who accepted her and her flaws , would provide more satisfaction in the long run .

Ex Output:
Original


Ex Input:
The creature sank lower until it was a dark silhouette racing over the treetops of the Sacred Woods .

Ex Output:

Original