slept piled a friend on a schoolhouse parents and knees , outside he dropped to really smiled Did <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (SBAR_0 (S_1 (NP_0 (NNP_0 slept)) (VP_5 (ATVP_3 (ATVP_2 (VBD_2 piled) (NP_3 (NP_5 (DT_0 a) (NN_2 friend)) (PP_0 (IN_1 on) (NP_4 (ATNP_0 (ATNP_2 (ATNP_1 (DT_0 a) (JJ_1 schoolhouse)) (NNS_0 parents)) (CC_0 and)) (NNS_0 knees))))) (COMMA_0 ,)) (SBAR_0 (IN_2 outside) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_2 dropped) (S_2 (VP_0 (TO_0 to) (VP_1 (ADVP_0 (RB_0 really)) (VBD_1 smiled)))))))))) (ADVP_0 (RB_0 Did))) (APOSTROPHE_0 <apostrophe><apostrophe>)))