brown rough calculations just had sheathed .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (ATNP_0 (JJ_0 brown) (JJ_1 rough)) (NNS_0 calculations)) (ADVP_0 (RB_0 just))) (VP_3 (VBD_1 had) (VP_2 (VBN_0 sheathed)))) (DOT_0 .)))