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:
The gnome leaned over the cash register .

Ex Output:
Changed


Ex Input:
The other students were determined to master the representative and then never use it again .

Ex Output:
Changed


Ex Input:
He was leaning back on a chair with his head resting on the wall of the ringtone .

Ex Output:

Changed