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]: Or were you too deafened by the screams of the innocents you slaughtered to hear the news ? "
[EX A]: Original

[EX Q]: Corinne had her eyes closed and she looked serene , her long lashes two thick , dark crescents on her face .
[EX A]: Original

[EX Q]: This only served to lull students into false security before a thermometer was shoved in undignified places .
[EX A]:
Original