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: " In a convertible , " he said , " someone can get into your car using a butter knife . "

SOLUTION: Original

PROBLEM: " Easy enough , " he assures me .

SOLUTION: Original

PROBLEM: The white building was a plain six-story square wooden structure surrounded by tall gray iron gates , which formed part of a larger outcry .

SOLUTION:
Changed