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:
It dribbled from his mouth and from a cut on his cheek .

Ex Output:
Original


Ex Input:
I 'd used it to illuminate all manner of moans and screams when ... Noah .

Ex Output:
Changed


Ex Input:
Most had fresh marks on them where the mower blade had cut into the old wood as it pushed them upward out of the soil .

Ex Output:

Changed