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


[Q]: " Twenty minutes tomorrow and you will lose all privileges for a week if you say one more bad word . "
[A]: Original


[Q]: The tracks were sprinkled with blood .
[A]:
Original