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: As the requirements would start to write their subject title , we could imagine ourselves dizzy with five sleeping pills .
Example Output: Changed

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

Example Input: They sparred and he enjoyed her company .
Example Output:
Original