or she howled staying to do heard .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 or) (NP_1 (PRP_1 she))) (VP_3 (VBD_1 howled) (VP_2 (VBG_0 staying) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 do) (VP_2 (VBN_0 heard)))))))) (DOT_0 .)))