she so used : calculations an group .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (NP_0 (PRP_1 she)) (VP_5 (ADVP_0 (RB_0 so)) (VBN_0 used))) (COLON_0 :)) (S_1 (NP_1 (NNS_0 calculations)) (NP_5 (DT_0 an) (NN_2 group)))) (DOT_0 .)))