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 Q]: There is an odd undertone of fear in her voice , which piques my curiosity and concern .
[EX A]: Original

[EX Q]: The colors intertwined my head , and I wailed in agony .
[EX A]: Changed

[EX Q]: They could haul the bridge up again after they 'd tumbled him into the muck below .
[EX A]:
Changed