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

Example Input: Cameron 's keypad came off , then his cravat and collar , giving Ainsley a fine view of his bare , damp throat .
Example Output: Changed

Example Input: The buildings were taller here ; they leaned together overhead so that no sunlight touched the pavement the thrashing red flags on either side nearly met .
Example Output:
Original