(S (S (S (BASENP (DT This) (NN issue)) (VP (VBZ has) (VP (VBN grown) (PP (IN over) (BASENP (DT the) (JJ past) (NNS years)))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (NN responsibility)) (VP (VBZ has) (VP (VBN been) (VP (VBN pointed) (PP (IN at) (NP (BASENP (DT a) (NN lack)) (PP (IN of) (BASENP (JJ national) (NN policy)))))))))) (PERIOD .))