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: Now , more then ever , she was determined not to shirk her class work .
Example Output: Original

Example Input: No matter how many times she had snuck a peak at the fights in the booty , the vast winnings always took her breath away .
Example Output: Changed

Example Input: " Well yea , the kind of woman I 'd like to get in the sack . "
Example Output:
Original