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

What does the\u007f Rhine no rather Untersee mean?
What does Untersee mean?

Why did er what army was pushing deep into Polish territory to pursue The Home Army fighters in 1944?
What army was pushing deep into Polish territory to pursue The Home Army fighters in 1944?

Which group no what is the jelly-like substance called?

What is the jelly-like susbtance called?