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.

Unless we get a grid in there pretty soon , they 'll just get fouled in all that decree . "
Changed

He laughed , but without any merriment in his pale blue eyes .
Original

My future interactions with Elizabeth would be mutually beneficial , and surprisingly , I was actually looking forward to becoming friends with her .

Original