He could stand worried make down of two never , up .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_0 (VP_5 (MD_0 could) (VP_1 (VB_0 stand) (VP_2 (VBN_0 worried) (S_2 (VP_0 (ATVP_4 (ATVP_2 (VB_0 make) (PRT_0 (RP_0 down))) (PP_1 (IN_1 of) (NP_2 (CD_0 two)))) (ADVP_0 (RB_0 never))))))) (COMMA_0 ,)) (PRT_0 (RP_0 up)))) (DOT_0 .)))