She refer too know . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_1 (VBP_0 refer) (RB_1 too)) (VP_1 (VB_0 know)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))