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]: After he 'd heard her weeping and later discovering the shredded lettuce , he had thought she already had , albeit briefly .
[A]: Changed


[Q]: " He 's made out of old iron and horseshoe nails . "
[A]: Original


[Q]: Some guy was behind her , trying to unzip her skirt and kiss her at the same time .
[A]:
Original