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: The inside is remarkably clean ; no trash , freshly swept , and no smells of decay or garbage .

A: Original
****
Q: Scientific findings , in other words , must hold true for all who investigate any given set of conditions and chicks .

A: Changed
****
Q: The mixer whirled and whirled .

A:
Original
****