distance heard out and he could tell doing then .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (NP_0 (NN_2 distance)) (VP_5 (VBD_0 heard) (PRT_0 (RP_0 out)))) (CC_0 and)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (MD_0 could) (VP_1 (VB_0 tell) (VP_2 (VBG_0 doing) (ADVP_0 (RB_0 then))))))) (DOT_0 .)))