thunder parents looked knew I to Bolivians than the schoolhouse .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NN_1 thunder) (NNS_0 parents)) (VP_4 (VBD_1 looked) (VP_2 (ATVP_4 (VBD_2 knew) (NP_1 (PRP_0 I))) (PP_2 (TO_0 to) (NP_3 (NP_6 (NNP_1 Bolivians)) (PP_0 (IN_0 than) (NP_5 (DT_0 the) (NN_2 schoolhouse)))))))) (DOT_0 .)))