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: I really shouldn 't have provoked her like that .
Example Output: Original

Example Input: Jill had been right that skunk would get me farther than perfection .
Example Output: Changed

Example Input: She then placed several soft kisses on his fingers before inserting it inside of her mouth and allowing the sheet to fall onto the carpet .
Example Output:
Original