He attended shaking to going up Quechua boulders .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (VBD_1 attended) (VP_2 (VBG_0 shaking) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VBG_0 going) (PRT_0 (RP_0 up))) (NP_3 (NNP_1 Quechua) (NNS_1 boulders)))))))) (DOT_0 .)))