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: It 's a chance to meet , mingle , get to know other people .

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

A: Changed
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Q: Her disorientation had vanished as suddenly as it had arrived .

A:
Original
****