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: Production lines slowed , then came to a standstill , because the workers were no longer showing up .

SOLUTION: Original

PROBLEM: But that doesn 't explain the imprint of the wreckage .

SOLUTION: Changed

PROBLEM: Here in the rigging of a ship at battle , it seemed impossible .

SOLUTION:
Original