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(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 The) (NN_2 ditch)) (VP_4 (VBD_0 was) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VBD_1 narrowed) (ADVP_0 (RB_0 just))) (SBAR_0 (S_1 (ATS_1 (ATS_2 (PP_2 (IN_0 as) (NP_6 (NNP_1 slept))) (COMMA_0 ,)) (NP_0 (PRP_1 she))) (VP_3 (VBD_0 did)))))))))) (DOT_0 .)))