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]: " Oh they were , " he owes me .
[EX A]: Changed

[EX Q]: " No , just some minor issues with the presidency .
[EX A]: Changed

[EX Q]: I eventually landed a position as a top executive in one of Manhattan 's most prestigious business firms , Lyon Enterprises .
[EX A]:
Original