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]: The worms were snake-like things that spat venomous poison and had huge mandibles surrounding multiple rows of razor-sharp teeth .
[A]: Original


[Q]: " Uh , yeah , along with the frogs .
[A]: Original


[Q]: The area was cleaned out , the homes never sinned , and the paved road was never extended beyond Shrike Street .
[A]:
Changed