The group was being on a schoolhouse corn by their friend .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 The) (NN_2 group)) (VP_4 (VBD_1 was) (VP_2 (VBG_0 being) (PP_2 (IN_0 on) (NP_3 (NP_6 (ATNP_1 (DT_0 a) (JJ_1 schoolhouse)) (NN_1 corn)) (PP_0 (IN_1 by) (NP_2 (PRPDOLLAR_0 their) (NN_0 friend)))))))) (DOT_0 .)))