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.

Example Input: J.C. gave me a big streetlight and a grin .
Example Output: Changed

Example Input: Was she doing Cammie and Travis a huge disservice by not staying and allowing Donovan to bring a doctor in for Cammie ?
Example Output: Original

Example Input: Just as soon as Seth exhausted his other possibilities , as soon as he worked through his queue of waffles .
Example Output:
Changed