a ditch might come , and climbing .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (S_1 (NP_0 (DT_0 a) (NN_2 ditch)) (VP_5 (MD_0 might) (VP_1 (VB_0 come)))) (COMMA_0 ,)) (CC_0 and)) (S_2 (VBG_0 climbing))) (DOT_0 .)))