(S (S (BASENP (PRP They)) (VP (VP (VP (VBD fought) (ADVP (RB hard))) (PP (IN in) (BASENP (DT the) (JJ next) (NN ten)))) (CONJP (COMMA ,) (CC but)) (VP (VBD failed) (S (VP (TO to) (VP (VB capitalize) (PP (IN on) (NP (NP (BASENP (NNS opportunities)) (SBAR (S (BASENP (PRP they)) (VP (VBD created))))) (CC and) (BASENP (NNP Grammar) (NNS mistakes)))))))))) (PERIOD .))