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(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 The) (NN_2 native)) (VP_4 (ATVP_1 (MD_0 <apostrophe>ll) (ADVP_0 (RB_0 below))) (VP_5 (VBD_1 began) (SBAR_0 (WHADVP_0 (WRB_0 how)) (S_1 (NP_0 (PRP_1 they)) (VP_5 (VBD_0 slid) (ADJP_0 (JJ_0 missing)))))))) (DOT_0 .)))