he had used in the classes , a glance .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 he)) (VP_4 (VBD_1 had) (VP_2 (VBN_0 used) (PP_2 (IN_0 in) (NP_3 (ATNP_0 (NP_6 (DT_0 the) (NNS_1 classes)) (COMMA_0 ,)) (NP_5 (DT_0 a) (NN_2 glance))))))) (DOT_0 .)))