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.

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

A: Original
****
Q: I lifted my shirt , revealing two deep gouges in my chest with blood gushing out .

A: Changed
****
Q: Then the bishop spoke , his voice echoing off the stone walls so that the whole church could hear him : " Monsieur le President .

A:
Original
****