They speak Because schoolhouse boulders as .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_4 (VB_0 speak) (PP_1 (IN_1 Because) (NP_2 (JJ_1 schoolhouse) (NNS_1 boulders)))) (ADVP_0 (IN_2 as)))) (DOT_0 .)))