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 mixer whirled and whirled .

Ex Output:
Original


Ex Input:
The singsong voice froze Holly in her tracks .

Ex Output:
Changed


Ex Input:
They each blindfolded for a few hours , explored the ship and met back at the cabin so they could go to dinner together .

Ex Output:

Changed