when to figure assigned of boulders was out surfers on n<apostrophe>t colder , it lives .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (VP_0 (TO_0 to) (VP_1 (VB_0 figure) (VP_2 (VBN_0 assigned) (PP_0 (IN_1 of) (NP_2 (NP_4 (NNS_1 boulders)) (VP_2 (ATVP_4 (ATVP_3 (VBD_2 was) (PRT_0 (RP_0 out))) (NP_4 (NNS_1 surfers))) (PP_2 (IN_0 on) (NP_6 (RB_1 n<apostrophe>t) (JJR_0 colder))))))))))) (COMMA_0 ,)) (NP_0 (PRP_1 it))) (VP_3 (VBZ_0 lives))) (DOT_0 .)))