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.

[Q]: Where there is good , there must be evil and every light shines brighter when surrounded by darkness .
[A]: Original


[Q]: The two VPs twitched a bit , clear puddles of their relief .
[A]: Changed


[Q]: They could go to ground and hide or decide to fortify themselves somewhere .
[A]:
Original