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: It 's a federal offense , " I eavesdropping on for added seriousness .

A: Changed
****
Q: Once more the cockroach climbed his stand .

A: Changed
****
Q: His muscles were tensing and his breathing was getting faster and heavier .

A:
Original
****