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: When they crossed in front of the stump they raised their paddles into the air and shouted , " We 're the champs !
Example Output: Original

Example Input: " In a convertible , " he said , " someone can get into your car using a butter knife . "
Example Output: Original

Example Input: He came over to get some cherries from the plastic condiments container in front of me .
Example Output:
Original