TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: How is it or rather what is it estimated that about half of all variation in homicide rates can be accounted for by?

SOLUTION: What is it estimated that about half of all variation in homicide rates can be accounted for by?

PROBLEM: Why was or actually tell me who is Kearney Boulevard named after?

SOLUTION: Who is Kearney Boulevard named after?

PROBLEM: Why was Wegener's theory important for understanding volcanos er uh the lithosphere?

SOLUTION:
Why was Wegener's theory important for understanding the lithosphere?