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: Angelica focused on her fingers , playing with a loose thread on the coverlet .
Example Output: Original

Example Input: I 'll let you make the choice about kissing and swooping above the waist .
Example Output: Changed

Example Input: She faced her friend on the sunny sidewalk lined with designer shops and wrought iron lampposts .
Example Output:
Original