the Bolivian spray in group wall mattered by fleas .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (ATNP_1 (DT_0 the) (NNP_1 Bolivian)) (NN_1 spray)) (PP_0 (IN_1 in) (NP_2 (NN_2 group) (NN_3 wall)))) (VP_4 (VBN_0 mattered) (PP_0 (IN_1 by) (NP_4 (NNS_1 fleas))))) (DOT_0 .)))