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: But most of them are just well-meaning but naive people , dupes taken in by the rhetoric and deceit of a handful at the top .
Example Output: Original

Example Input: My tongue flicks out and runs inside her low-cut shirt and bra , reaching until it flicks against her nipple .
Example Output: Original

Example Input: I found a green field with a group of figures in religious habits , with contingencies .
Example Output:
Changed