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

In what battle were the Tran dynasty no the um what was their names oh Mongols joined by the Tran?
 In what battle were the Mongols joined by the Tran?

What was the theory that sediment no the Royal Society presented?
What was the theory the Royal Society presented?

What did um Shoushi Li do for calendars no Guo Shoujing?

What did Guo Shoujing do for calendars?