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: Much better , than the endless trials and receivers that left those who had been wronged , waiting and waiting , for their day in court .

SOLUTION: Changed

PROBLEM: The cook tossed the biscuit at John , hitting him in the chest with it .

SOLUTION: Original

PROBLEM: He had thought that copying the wall of Elland would be the hard part , but that had turned out to be surprisingly easy .

SOLUTION:
Changed