(S (S (NP (DT A) (NP (JJ recent) (NP (NP (BASENP (NNP Public) (NNP Policy) (NNP Polling)) (PRN (LRB -LRB-) (BASENP (NNP PPP)) (RRB -RRB-))) (NN survey)))) (VP (VBZ shows) (NP (BASENP (NNP Johnson)) (PP (IN with) (NP (BASENP (ADJP (NN six) (NN percent)) (JJ national) (NN support)) (PP (IN in) (NP (BASENP (DT a) (NN matchup)) (PP (IN with) (NP (BASENP (NNP President) (NNP Barack) (NNP Obama)) (CC and) (BASENP (DT the) (JJ presumptive) (NNP Republican) (NN nominee) (NNP Mitt) (NNP Romney))))))))))) (PERIOD .))