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: A heavy mist rose from it , dissipating in wisps over the rocks and the sea .

A: Original
****
Q: She hears another crash from inside the tower , followed by a chorus of angry mutterings .

A: Changed
****
Q: Seconds later it exploded , sending out a spray of small metal rods .

A:
Original
****