TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What concept did philosophers in antiquity use in the study of stationary and moving objects or rather to study simple machines?

SOLUTION: What concept did philosophers in antiquity use to study simple machines?

PROBLEM: What insight of Newton, nope, Galileo was associated with constant velocity?

SOLUTION: What insight of Galileo was associated with constant velocity?

PROBLEM: How accurate did Guo make the Gregorian calendar, no sorry, the formed lunisolar calendar?

SOLUTION:
How accurate did Guo make the formed lunisolar calendar?