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 mosaic depicted an enormous battle of primates being waged in tall trees .

A: Original
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Q: His lips were still moist , conveying a message of seduction even when they were silent .

A: Original
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Q: Sitting on the couch , I study the marbles again and recall what Sharmila said to me in the field before we parted .

A:
Original
****