She was classes before to a group by below and boulders .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBD_1 was) (NP_2 (ATNP_0 (ATNP_2 (NP_4 (NNS_1 classes)) (PP_2 (IN_0 before) (PP_2 (TO_0 to) (NP_3 (NP_5 (DT_0 a) (NN_2 group)) (PP_0 (IN_1 by) (NP_2 (RB_0 below))))))) (CC_0 and)) (NP_4 (NNS_1 boulders))))) (DOT_0 .)))