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

What is the tentacle ermm rather mouth of a pleuobrachia kept in?
What is the mouth of a pleuobrachia kept in?

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?

How was the no who has elected the President of Warsaw since 1990?
Who has elected the President of Warsaw since 1990?