the stones and flats knew to get be his friend out higher and higher as <apostrophe><apostrophe> .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_0 (NP_6 (DT_0 the) (NNS_1 stones)) (CC_0 and)) (NNS_0 flats)) (VP_4 (VBD_2 knew) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 get) (VP_2 (ATVP_4 (VB_0 be) (NP_2 (PRPDOLLAR_0 his) (NN_0 friend))) (PP_2 (IN_0 out) (PP_2 (ATPP_0 (ADVP_0 (ATADVP_6 (JJR_0 higher) (CC_0 and)) (JJR_0 higher)) (IN_2 as)) (APOSTROPHE_0 <apostrophe><apostrophe>))))))))) (DOT_0 .)))