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]: Thinking of my parents assisted me .
[EX A]: Changed

[EX Q]: But I think your cleverness may have gotten you into a bit of trouble . "
[EX A]: Original

[EX Q]: his head bowed , as he tried to keep from adding to the dingo on the cobblestones .
[EX A]:
Changed