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]: A simple touch , though the feelings he evoked were much more complex than simple .
[A]: Original


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


[Q]: Saint-Martin has promised a substantial donation . "
[A]:
Changed