The ditch have to Not felt the aura from the sharp grass .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 The) (NN_2 ditch)) (VP_4 (VBP_0 have) (SBAR_0 (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (ADVP_0 (RB_0 Not)) (VBD_2 felt)) (NP_3 (NP_5 (DT_0 the) (NN_2 aura)) (PP_0 (IN_1 from) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 sharp)) (NN_1 grass)))))))))) (DOT_0 .)))