instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
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:
How many societal class divisions were in the plan Han rejected, oh not him, Kublai?
answer:
How many societal class divisions were in the plan Kublai rejected?


question:
What aren't the British no the Siouan-speaking tribes?
answer:
What aren't the Siouan-speaking tribes?