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: Verity reached the bluff overlooking the ravine where she had seen the small boat earlier .

SOLUTION: Changed

PROBLEM: And of course being out in public made it that much more difficult to avoid catastrophe .

SOLUTION: Original

PROBLEM: There was a flaw in their logic , of course , but by the time they found this out it was always too late .

SOLUTION:
Original