Can someone give me a thesis statement about juvenile delinquency?

Mario is reading a book where the narrator only describes the point of view of pip, one of the characters. m and feelings. which type of narrator does this describe?

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech

Which big-picture idea comes logically from these details?