(S (S (QT (DQL ``) (QTC (S (SINV (VBD Had) (S (BASENP (PRP it)) (VP (VBN been) (ADJP (JJ successful))))) (COMMA ,) (S (BASENP (PRP it)) (VP (MD would) (VP (VB have) (VP (VBN undermined) (NP (BASENP (DT the) (NN business)) (PP (IN of) (NP (BASENP (JJ honest) (NNS traders)) (SBAR (WHNP (WP who)) (S (ADVP (RB only)) (VP (VBP sell) (BASENP (ADJP (NN duty) (VBN paid)) (NN tobacco) (NNS products))))))))))))) (COMMA ,)) (DQR '')) (S (BASENP (PRP he)) (VP (VBD continued)))) (PERIOD .))