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:
On our way out , we walk through the rec room in which I faced my fear landscape .

Ex Output:
Changed


Ex Input:
The cook tossed the biscuit at John , hitting him in the chest with it .

Ex Output:
Original


Ex Input:
Then she looked at the youngster .

Ex Output:

Original