TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: Which no I mean what project did Harvard stop due to the financial crisis?

SOLUTION: What project did Harvard halt due to the financial crisis?

PROBLEM: Where did Mongke Khan attack the Song dynasty or rather where did he defend it?

SOLUTION:  Where did Mongke Khan defend the Song dynasty?

PROBLEM: How many sports does Harvard oops no that should be Yale compete in in the NCAA Division I Ivy League?

SOLUTION:
How many sports does Yale compete  in in the NCAA Division I Ivy League?