leave back heart , But this did out .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (S_2 (VP_0 (ATVP_0 (VB_0 leave) (PRT_0 (RP_0 back))) (NP_2 (NN_3 heart)))) (COMMA_0 ,)) (CC_0 But)) (S_1 (NP_0 (DT_1 this)) (VP_5 (VBD_0 did) (PRT_0 (RP_0 out))))) (DOT_0 .)))