back you meant waking with Cochabamba boulders .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_0 back)) (NP_0 (PRP_1 you))) (VP_3 (VBD_1 meant) (VP_2 (VBG_0 waking) (PP_2 (IN_0 with) (NP_3 (NNP_1 Cochabamba) (NNS_1 boulders)))))) (DOT_0 .)))