Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Input: Consider Input: When did no no didn't British begin to build fort under William Trent?

Output: When didn't British begin to build fort under William Trent?


Input: Consider Input: Which no what is Warsaw's symbol?

Output: What is Warsaw's symbol?


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