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

What are two examples of nonself entities in accordance with Niels Jerne's or rather, Frank Burnet's theory?
What are two examples of nonself entities in accordance with Frank Burnet's theory?

What is the principle or uh when is the correlation occasionally positive?
When is the correlation occasionally positive?

Some theories argue that the legal system or no make that civil disobedience is justified in regard to?
Some theories argue that civil disobedience is justified in regard to?