he colder and colder used the streaming white <apostrophe> Pura boulders .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (PRP_1 he)) (ADVP_0 (ATADVP_2 (JJR_0 colder) (CC_0 and)) (JJR_0 colder))) (VP_3 (ATVP_2 (VBD_2 used) (NP_3 (ATNP_0 (ATNP_0 (DT_0 the) (NN_3 streaming)) (JJ_0 white)) (POS_0 <apostrophe>))) (NP_3 (NNP_1 Pura) (NNS_1 boulders)))) (DOT_0 .)))