They thought a group of the road had stand over the boy shaking back .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (VBD_0 thought) (SBAR_0 (S_1 (NP_0 (NP_5 (DT_0 a) (NN_2 group)) (PP_0 (IN_1 of) (NP_5 (DT_0 the) (NN_2 road)))) (VP_5 (VBD_2 had) (S_2 (VP_0 (ATVP_0 (ATVP_0 (VB_0 stand) (PRT_0 (RP_0 over))) (NP_5 (DT_0 the) (NN_2 boy))) (VP_2 (VBG_0 shaking) (ADVP_0 (RB_0 back)))))))))) (DOT_0 .)))