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 really shouldn 't have provoked her like that .
Example Output: Original

Example Input: Instead , her face flamed as Veronica took the ice-cream and spoon off her without another word .
Example Output: Original

Example Input: When not lapse , he tried prospecting , taking a hammer and pick to the stony hills around their home .
Example Output:
Changed