(S (S (BASENP (PRP He)) (VP (VBD said) (COMMA ,) (QTL (DQL ``) (S (BASENP (PRP It)) (VP (VP (VP (VBZ 's) (ADJP (JJ difficult))) (ADVP (RB now))) (S (VP (TO to) (VP (VB get) (S (BASENP (DT the) (NN oil)) (PP (IN under) (BASENP (NN control)))))))))))) (PERIOD .))