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: He looked down at his hands , swollen like balloons .
Example Output: Original

Example Input: Imagine the disgrace when word spreads that you perished at the hands of a woman ! "
Example Output: Original

Example Input: We got to the park , it was crowded and everyone sang their songs , the concert was great and everyone was enjoying their selves .
Example Output:
Original