It heard heard together with The boy wall .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBD_1 heard) (VP_2 (ATVP_4 (VBD_0 heard) (RB_1 together)) (PP_2 (IN_0 with) (NP_6 (ATNP_1 (DT_1 The) (NN_3 boy)) (NN_1 wall)))))) (DOT_0 .)))