The sentence ends by using a string of "wh-" noun clauses. These clauses are not queries, so the last one particular must also not be a question. "Which one could be the best" is obviously an issue format, so it makes sense that " In accordance with WikiLeaks, it analysed https://share.evernote.com/note/f5ed0f3d-3352-3d51-727d-10fa609eb157