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: Then , grimacing , I altered my destination and turned the corner .

SOLUTION: Original

PROBLEM: A hard lecturing , and it was taking Marian longer to recover .

SOLUTION: Changed

PROBLEM: As they dragged her over the wire and through the thicket , her head bumped hard against the ground .

SOLUTION:
Original