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: I pushed through the double doors to the atrium in time to witness Sofie deliver a vicious slap to Mortimer 's cheek .

SOLUTION: Original

PROBLEM: It was Friday , herding us an extra hour extension at our dorm .

SOLUTION: Changed

PROBLEM: The gnome leaned over the cash register .

SOLUTION:
Changed