a stones of clouds climbing to boy <apostrophe>s white .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (DT_0 a) (NNS_1 stones)) (PP_0 (IN_1 of) (NP_2 (NP_4 (NNS_1 clouds)) (VP_2 (VBG_0 climbing) (PP_2 (TO_0 to) (NP_2 (NN_3 boy))))))) (VP_4 (VBZ_0 <apostrophe>s) (ADJP_0 (JJ_0 white)))) (DOT_0 .)))