them because back mattered , a climbing literacy .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 them)) (VP_4 (ATVP_0 (VP_5 (ADVP_0 (IN_2 because) (RB_1 back)) (VBN_0 mattered)) (COMMA_0 ,)) (NP_6 (ATNP_1 (DT_0 a) (VBG_0 climbing)) (NN_1 literacy)))) (DOT_0 .)))