She keep up about boulders flung up from the boy of charge .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_2 (ATVP_0 (VB_0 keep) (PRT_0 (RP_0 up))) (PP_1 (IN_1 about) (NP_2 (NP_4 (NNS_1 boulders)) (VP_2 (VBG_0 flung) (PRT_0 (RP_0 up)))))) (PP_2 (IN_0 from) (NP_3 (NP_5 (DT_0 the) (NN_2 boy)) (PP_0 (IN_1 of) (NP_2 (NN_3 charge))))))) (DOT_0 .)))