a ditch let queasy might be one unmistakably then ?
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_0 a) (NN_2 ditch)) (VP_4 (ATVP_1 (VBD_1 let) (RB_1 queasy)) (VP_5 (MD_0 might) (VP_1 (ATVP_2 (ATVP_4 (VB_0 be) (NP_2 (CD_0 one))) (ADVP_0 (RB_0 unmistakably))) (ADVP_0 (RB_0 then)))))) (DOT_0 ?)))