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

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?

A: In the layered model of the Earth, the mantle has two layers below it. What are they? 
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Q: What combined with rising rather lowering prices to make it difficult or impossible for poor people to keep pace?

A: What combined with lowering prices to make it difficult or impossible for poor people to keep pace?
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Q: What has a weaker association with actually no I mean stronger one with the MHC:antigen complex than killer T cells?

A:
What has a stronger association with the MHC:antigen complex than killer T cells?
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