on his colder scarves of rough boulders , I left .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 on) (NP_3 (NP_6 (ATNP_1 (PRPDOLLAR_0 his) (JJR_0 colder)) (NNS_1 scarves)) (PP_0 (IN_1 of) (NP_2 (JJ_1 rough) (NNS_1 boulders))))) (COMMA_0 ,)) (NP_0 (PRP_1 I))) (VP_3 (VBD_0 left))) (DOT_0 .)))