(S (S (PP (VBG According) (PP (TO to) (BASENP (NNP Ed) (NNP Balls)))) (COMMA ,) (S (NP (BASENP (DT the) (NNS results)) (PP (IN from) (BASENP (NNS GCSEs)))) (VP (MD will) (VP (VB be) (ADJP (JJ adequate) (S (VP (TO to) (VP (VP (VB judge) (NP (BASENP (DT the) (NN performance)) (PP (IN of) (BASENP (NNS schools))))) (PP (IN by) (BASENP (PRPD their) (NN test) (NNS results))))))))))) (PERIOD .))