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 footmen looked relieved when they came into sight .

Ex Output:
Original


Ex Input:
A false accusation could reduce everything . "

Ex Output:
Changed


Ex Input:
" I du n no , maybe the surety is backed up again ? "

Ex Output:

Changed


