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]: Eva Roberts said that it would be extremely helpful if she could find any dampness .
[A]: Changed


[Q]: said Ian in merchandise , " is this some strange test ?
[A]: Changed


[Q]: What would you think about the roof of my house with half a dozen variations on it ? "
[A]:
Changed