and , His calculations was Then teach the guy .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (CC_0 and) (COMMA_0 ,)) (NP_0 (PRPDOLLAR_0 His) (NNS_0 calculations))) (VP_3 (ATVP_1 (VBD_1 was) (RB_1 Then)) (VP_1 (VB_0 teach) (NP_0 (DT_0 the) (NN_2 guy))))) (DOT_0 .)))