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

[Q]: Which debate er what is the university's winter carnival and concert called?
[A]: What is the university's winter carnival and concert called?


[Q]: What does the\u007f Rhine no rather Untersee mean?
[A]: What does Untersee mean?


[Q]: Who was Genghis's third son, no make that his 4th son?
[A]:
 Who was Genghis's 4th son?