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

What happens when the what cause the immune system to treat foreign organisms like normal tissues?
What causes the immune system to treat foreign organisms like normal tissues?

What are two reasons a student would be able to get a scholarship for a private I mean rather a public school?
What are two reasons a student would be able to get a scholarship for a public school?

How many people in Goryeo are descended from Confucius no in Quzhou?
How many people in Quzhou are descended from Confucius?