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 'm gon na grab some grub and do some socializing .
Example Output: Original

Example Input: If anyone was talking in riddles , it was Foley .
Example Output: Original

Example Input: She couldn 't help but chuckle when she thought of how slang he had seemed when he first saw her as Lizzie .
Example Output:
Changed