all hat left to be to have to unmistakably had .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 all) (NN_2 hat)) (VP_4 (VBD_2 left) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 be) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 have) (S_2 (VP_0 (TO_0 to) (VP_1 (ADVP_0 (RB_0 unmistakably)) (VBD_1 had)))))))))))) (DOT_0 .)))