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

[EX Q]: In the layered model of the Earth, the mantle has two layers above it. What are they no sorry it has two layers belows it, what are they?
[EX A]: In the layered model of the Earth, the mantle has two layers below it. What are they? 

[EX Q]: What FCC or I think it's called GTE director wanted to make ARPANET technology public?
[EX A]: What GTE director wanted to make ARPANET technology public?

[EX Q]: What describes objects not moving freely or rather what theory best describes gravity?
[EX A]:
What theory best explains gravity?