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]: He was about to blot on the greatest adventure of his life .
[EX A]: Changed

[EX Q]: Her heart began to pound as she diverted the dense black writing around it .
[EX A]: Changed

[EX Q]: Horses wouldn 't dissipate , so they were all stabled indoors under the fort 's sleeping rooms .
[EX A]:
Changed