instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
Which country does the Moselle river encounter it's main tributaries no not the Moselle but the Rhine river?
answer:
Which country does the Rhine encounter it's main tributaries?


question:
What concept did philosophers in antiquity use in the study of stationary and moving objects or rather to study simple machines?
answer:
What concept did philosophers in antiquity use to study simple machines?


question:
The University of Chicago no make that the Chicago government is made up of what type of students?
answer:
The Chicago government is made up of what type of students?