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]: But that doesn 't explain the imprint of the wreckage .
[A]: Changed


[Q]: Collecting secret information , surveillance , unarmed combat , shooting , blackmail , sabotage , contractor , jungle survival -- bah !
[A]: Changed


[Q]: How dare she presume to tell Captain Bluebeard , scourge of all the seas north of Spain , what to do .
[A]:
Original