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 clean lavatory in breastplate . "
Example Output: Changed

Example Input: Not that she minded ; Alexia had always preferred necklaces herself .
Example Output: Changed

Example Input: She would have scowled back , but she guessed it would irritate him more if she smiled instead .
Example Output:
Original