TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: When was the Southern Pacific or no make that Central Pacific Railroad founded?

SOLUTION: When was the Central Pacific Railroad founded?

PROBLEM: What type of forces act at very long distances or rather what forces are responsible for the interactions between atomic particles?

SOLUTION: What forces are responsible for the interactions between atomic particles?

PROBLEM: What is offered by the metaphysical or rather conceptual definition of pushes and pulls?

SOLUTION:
The conceptual definition of pushes and pulls are offered by what?