unmistakably he asked the grassy guy of classes .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_0 unmistakably)) (NP_0 (PRP_1 he))) (VP_3 (VBD_0 asked) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 grassy)) (NN_1 guy)) (PP_0 (IN_1 of) (NP_4 (NNS_1 classes)))))) (DOT_0 .)))