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: Shira is supposed to take a last look at the cottages she was interested in .
Example Output: Original

Example Input: ' What was it you worked on during your doughnut ? '
Example Output: Changed

Example Input: He leans his head over an inch and I feel his lips gently brush the skin just above my knee and tiny tremors burn inside my stomach .
Example Output:
Original