Plus a muddy virtue , calculations could be .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 Plus) (NP_1 (ATNP_0 (NP_6 (ATNP_1 (DT_0 a) (JJ_1 muddy)) (NN_1 virtue)) (COMMA_0 ,)) (NNS_0 calculations))) (VP_3 (MD_0 could) (VP_1 (VB_0 be)))) (DOT_0 .)))