Can someone tell me a Gist statement Chapter 2 of Unbroken

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

What is the problem with the following sentence: cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

Urban and rural antonyms synonyms neither