Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
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Question: Where did Mongke Khan attack the Song dynasty or rather where did he defend it?

Answer:  Where did Mongke Khan defend the Song dynasty?


Question: What helps or rather what are found in fossils?

Answer: What are found in fossils?


Question: What is the Chinese name for the Yuan dynasty or actually I want to know the Yuan dynasty's official name?

Answer:
What is the Yuan dynasty's official name?