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]: He laughed , but without any merriment in his pale blue eyes .
[A]: Original


[Q]: Was she doing Cammie and Travis a huge disservice by not staying and allowing Donovan to bring a doctor in for Cammie ?
[A]: Original


[Q]: Policy said Rohit and I had to tell a joke to each other to make the potential intern feel at home .
[A]:
Original