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.

When they crossed in front of the stump they raised their paddles into the air and shouted , " We 're the champs !
Original

When I look at her , the vacancy in her eyes has dwindled and she resembles the same mom I saw right before I took her life .
Original

He nods his head toward the opponents ' cabins , which is where I 'm staying .

Changed