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 had been trying to narrow down a new definition , mathematically stated , of quantum probability .

SOLUTION: Original

PROBLEM: " Just Charli , ma belle . "

SOLUTION: Original

PROBLEM: Jackson and I worked on turning our equations into charcoal while Noah became a boy of precision .

SOLUTION:
Changed