for the schoolhouse cluster in the boulders , a group were .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 for) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 schoolhouse)) (NN_1 cluster)) (PP_0 (IN_1 in) (NP_6 (DT_0 the) (NNS_1 boulders))))) (COMMA_0 ,)) (NP_0 (DT_0 a) (NN_2 group))) (VP_3 (VBD_0 were))) (DOT_0 .)))