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:
She hears another crash from inside the tower , followed by a chorus of angry mutterings .

Ex Output:
Changed


Ex Input:
He had no stamina .

Ex Output:
Original


Ex Input:
The guide checks the identification code on the right chica .

Ex Output:

Changed