else not all refer a thick knoll could anymore the hat .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_1 else) (RB_1 not)) (NP_0 (DT_1 all))) (VP_3 (ATVP_3 (VBP_0 refer) (NP_6 (ATNP_1 (DT_0 a) (JJ_1 thick)) (NN_1 knoll))) (S_2 (VP_0 (ATVP_1 (MD_0 could) (ADVP_0 (RB_0 anymore))) (NP_5 (DT_0 the) (NN_2 hat)))))) (DOT_0 .)))