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.

He could taste her helplessness on his tongue , her desire so intense that she cried out loudly with every touch .
Changed

He laughed , but without any merriment in his pale blue eyes .
Original

" The carpet smells like dog urine and the bathroom ceiling has mold .

Original