They piled off Of visible fleas and the story .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_3 (VBD_2 piled) (PRT_0 (RP_0 off))) (PP_1 (IN_1 Of) (NP_2 (ATNP_0 (NP_4 (JJ_1 visible) (NNS_1 fleas)) (CC_0 and)) (NP_4 (DT_0 the) (NN_2 story)))))) (DOT_0 .)))