or It back had let on out tree , never full .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_1 (CC_0 or) (NP_1 (PRP_0 It))) (ADVP_0 (RB_0 back))) (VP_3 (VBD_1 had) (VP_2 (ATVP_3 (ATVP_2 (ATVP_0 (VB_0 let) (PRT_0 (RP_0 on))) (PP_1 (IN_1 out) (NP_2 (NN_3 tree)))) (COMMA_0 ,)) (ADJP_0 (RB_0 never) (JJ_0 full))))) (DOT_0 .)))