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]: I opened my eyes and saw the woman retching onto the floor .
[EX A]: Changed

[EX Q]: They might find that they had better luck starting over than trying to divulge what was currently in front of them .
[EX A]: Changed

[EX Q]: Vows were exchanged , tears were shed by most , and under a shower of petals , the newlyweds exited the church into a perfect autumn afternoon .
[EX A]:
Original