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.
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Question: She hadn 't had time to marvel over it then , but she couldn 't help but do so now .

Answer: Original


Question: They 'd had no word of Marianne since their abduction ... the lack of knowledge gnawed at her driving her crazy with worry . .

Answer: Original


Question: Sparks danced from it , and there were small puffs of smoke billowing out .

Answer:
Original