It had keep down kids listened to the story town should march .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBD_2 had) (S_2 (VP_0 (ATVP_0 (VB_0 keep) (PRT_0 (RP_0 down))) (NP_2 (NP_4 (NNS_1 kids)) (VP_2 (VBN_0 listened) (PP_2 (TO_0 to) (NP_3 (NP_5 (DT_0 the) (NN_2 story)) (SBAR_0 (S_1 (NP_0 (NN_2 town)) (VP_5 (MD_0 should) (VP_1 (VB_0 march))))))))))))) (DOT_0 .)))