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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBN_0 happened) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 teach) (SBAR_0 (ATSBAR_0 (RB_0 now) (IN_2 as)) (S_1 (VP_0 (TO_0 to) (VP_1 (VB_0 think) (S_2 (VP_0 (ATVP_1 (ATVP_4 (VBD_2 fell) (NP_1 (ATNP_2 (DT_0 the) (ADJP_0 (RB_0 then) (JJ_0 other))) (COMMA_0 ,))) (ADVP_0 (RB_0 then))) (NP_5 (NN_3 someone))))))))))))) (DOT_0 .)))