(S (S (NP (NP (BASENP (DT The) (JJ political) (NN involvement)) (PP (IN of) (BASENP (JJS most) (NN media)))) (CC and) (BASENP (JJ other) (NNS factors))) (VP (VBP are) (VP (VP (VBG causing) (BASENP (NNS contradictions))) (PP (IN among) (NP (BASENP (JJ official) (NNS sources)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (VP (VBG making) (S (BASENP (NN press) (NN work)) (ADVP (RB extremely) (RB hard)))))))))))) (PERIOD .))