How can you motivate someone for the positive

You have been given an assignment to speak on the federal prison system in the u. s. which of the following sources is likely to be the least credible? a. an interview with an inmate of a federal prison b. the us department of justice “federal bureau of prisons” website: c. the website [] which discusses the danger of releasing an alarming number of convicts back into society d. an article from foxnews. com about the florida state penitentiary

How does this passage contribute to the overall meaning of the story

What is meant by “eternally burning black pipes”? what is this implying about the personality of the firemen?