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

Q: What is the name of a prime number, oops my bad, an algebraic structure in which addition, subtraction and multiplication are defined?

A: What is the name of an algebraic structure in which addition, subtraction and multiplication are defined?
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Q: What happens when the what cause the immune system to treat foreign organisms like normal tissues?

A: What causes the immune system to treat foreign organisms like normal tissues?
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Q: An adobe that provides more utility to one person than another is a marginal no an example of reduced what?

A:
An adobe that provides more utility to one person than another is an example of reduced what?
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