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

Example Input: What good reason do you have for questioning my two guest 's ultimatum ? "
Example Output: Changed

Example Input: You 're going to need these grooves , and right now I don 't think you can count on having them when the time comes . "
Example Output:
Changed