instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
Which modern city did Hebei or no make that Khanbaliq become?
answer:
What modern city did Khanbaliq become?


question:
How much did the clergy no do estimations of the population during the plague vary?
answer:
How much do estimations of the population during the plague vary?


question:
What surface investigations do geologists do no rather what modern formations do they study?
answer:
What modern formations do geologists study?