so Twilight was his friend . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (ATS_1 (ADVP_0 (RB_0 so)) (NP_0 (NNP_0 Twilight))) (VP_3 (VBD_1 was) (NP_2 (PRPDOLLAR_0 his) (NN_0 friend)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))