(S (S (QT (DQL ``) (QTC (S (ADVP (RB So)) (S (BASENP (NNS those)) (VP (VBP are) (NP (BASENP (DT the) (NN two) (JJ essential) (NNS parts)) (PP (IN of) (BASENP (PRP it))))))) (COMMA ,)) (DQR '')) (S (BASENP (NNP Mr) (NNP Blair)) (VP (VBD said)))) (PERIOD .))