TASK DEFINITION: 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.
PROBLEM: " Hank 's at his bayonet .

SOLUTION: Changed

PROBLEM: Rosencrantz and Guildenstern have their own fates but I must be there for the last act , the last scene .

SOLUTION: Original

PROBLEM: If you 're not out in five minutes I 'm coming in , he threatened , his words reverberating through my brain and giving me a headache .

SOLUTION:
Original