They had going a lesson than an kids .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (VBD_1 had) (VP_2 (ATVP_4 (VBG_0 going) (NP_5 (DT_0 a) (NN_2 lesson))) (PP_2 (IN_0 than) (NP_6 (DT_0 an) (NNS_1 kids)))))) (DOT_0 .)))