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.

Example Input: As they expand they can add more stoves . "
Example Output: Original

Example Input: ' Good job we 're out of it , dearie . '
Example Output: Changed

Example Input: Apparently , despite his claims otherwise , it was too dangerous to let her live , and he had transmitted the kill order to the collars .
Example Output:
Original