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: After he 'd heard her weeping and later discovering the shredded lettuce , he had thought she already had , albeit briefly .

SOLUTION: Changed

PROBLEM: I saw a few army cars still navigating by , patiently waiting for a driver to step in and get them off of the base .

SOLUTION:
Changed