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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (VBP_0 mutter) (SBAR_0 (S_1 (NP_0 (PRP_1 she)) (VP_5 (ATVP_3 (ATVP_2 (ATVP_4 (ADVP_0 (IN_2 while)) (VBN_0 heard)) (PP_1 (IN_1 into) (NP_2 (NP_4 (NNS_1 holes)) (VP_2 (VBG_0 stepping) (PP_2 (IN_0 in) (NP_3 (NP_6 (ATNP_1 (PRPDOLLAR_0 his) (JJ_0 able)) (NN_1 sweater)) (PP_0 (IN_1 at) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 grassy)) (NN_1 nerd))))))))) (COMMA_0 ,)) (PP_0 (IN_1 off) (NP_5 (DT_0 the) (NN_2 lady)))))))) (DOT_0 .)))