It loved what to be the lesson on friend .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBD_0 loved) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 be) (NP_3 (NP_5 (DT_0 the) (NN_2 lesson)) (PP_0 (IN_1 on) (NP_5 (NN_3 friend)))))))))) (DOT_0 .)))