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.

There is an odd undertone of fear in her voice , which piques my curiosity and concern .
Original

I jumped in Colt 's truck and grabbed the keys from the RV .
Changed

His father had once disciplined her father , and who won and who lost would never be clear .

Changed