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]: Once more the cockroach climbed his stand .
[EX A]: Changed

[EX Q]: The light seemed to come from the diamonds , as if an invasion of blue fireflies had been frozen in midair .
[EX A]: Original

[EX Q]: The jury was sequestered , and the longer the trial dragged on , the more blame the dorms would heap upon the party now calling the witnesses .
[EX A]:
Changed