(S (S (ADVP (RB Currently)) (S (S (BASENP (NN information)) (VP (VBZ is) (ADJP (JJ hard) (SBAR (S (VP (TO to) (VP (VB verify)))))))) (CC and) (S (BASENP (JJ reliable) (JJ independent) (NNS sources)) (VP (VBP are) (VP (ADVP (RB largely)) (VP (VP (VBN banned) (CC or) (VBN restricted)) (PP (IN inside) (BASENP (NNP Syria))))))))) (PERIOD .))