WP says that Reliable source is, and the basis of its reliability, depends on the context. Sources should directly support the information as it is presented in an article, and should be appropriate to the claims made. Articles should be based on reliable, third-party, published sources with a reputation for fact-checking and accuracy. Proper sourcing always depends on context; common sense and editorial judgment are an indispensable part of the process. Partisan secondary sources should be viewed with suspicion if they lack neutral corroboration. Widespread citation without comment for facts is evidence of a source's reputation and reliability for similar facts, while widespread doubts about reliability weigh against it. No other Brazilian newspaper, which are very close to the accident, use the expression "dissenting report" or highlight the "conflict".  WP adds: The goal is to reflect established views of sources as far as we can determine them. Some sources may be considered reliable for statements as to their author's opinion, but not for statements of fact without attribution. XX ''''''