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]: Raptor winked at Gina as she flashed her ID to the buggy and he led her through .
[EX A]: Changed

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

[EX Q]: He starts rambling off information as he walks me through the main room , with the fighting ring and the punching bags .
[EX A]:
Original