Within a class glance gravel , he began appropriate .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 Within) (NP_6 (ATNP_1 (ATNP_0 (DT_0 a) (NN_3 class)) (NN_0 glance)) (NN_1 gravel))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (VBD_1 began) (ADJP_0 (JJ_0 appropriate)))) (DOT_0 .)))