the boy saw a bottle parents , down .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_0 the) (NN_2 boy)) (VP_4 (ATVP_3 (ATVP_2 (VBD_2 saw) (NP_3 (ATNP_0 (DT_0 a) (NN_3 bottle)) (NNS_0 parents))) (COMMA_0 ,)) (PP_1 (IN_1 down)))) (DOT_0 .)))