(S (S (S (NP (EX There)) (VP (VP (VP (VBZ is) (BASENP (DT a) (NN cost))) (PP (IN in) (BASENP (NN speed)))) (PP (IN for) (BASENP (JJ such) (NN abstraction))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (DT this) (NN cost)) (VP (VP (VP (VP (VBD was) (ADJP (JJR higher))) (PP (IN on) (BASENP (NNP Mach)))) (COMMA ,) (PP (IN at) (BASENP (QP (RB around) (NN 15)) (NN %)))) (COMMA ,) (PP (VBN compared) (PP (IN with) (NP (BASENP (QP (RB only) (RB around) (NN 5)) (NN %)) (PP (IN on) (NP (NP (BASENP (NNP L4)) (CC and) (NP (NP (BASENP (PRP it) (POS 's)) (NN predecessor)) (BASENP (NNP L3)))) (COMMA ,) (NP (BASENP (NN both)) (VP (VBN developed) (PP (IN by) (BASENP (NNP Dr.) (NNP Jochen) (NNP Liedtke))))))))))))) (PERIOD .))