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: She was ready to cry after them to prevent it , but they bypassed the door .

SOLUTION: Original

PROBLEM: As they came closer he could hear snatches of conversations .

SOLUTION: Original

PROBLEM: " I don 't understand why , " she mumbled , tearing her eyes from mine to stare down at the ding again .

SOLUTION:
Changed