; *     ---    ʽ˵ ---            *
; *                                        *
; *  ÿռһ                        *
; *  ÿķֺźעͣ    *
; *  ʽΪX -> Y                    *
; *  X Ϊս                          *
; *  Y Ϊսս            *
; *  Xͷ->֮һĿոָ   *
; *  Yͷ->֮һĿոָ   *
; *  Yڲ֮һĿոָ   *
; ******************************************
; *     --- ļʽ˵ ---           *
; *                                        *
; *  ÿһУ20              *
; *  м˳                *
; *                                        *
; ******************************************
; *     --- ˵ ---               *
; *                                        *
; *  BottomUpParser.exe            *
; *  ѡ񡰴򿪹⡱򿪹ļ      *
; *  ѡļtext.txtз        *
; *  text.parseļ        *
; *                                        *
; *  ղ  2005-10-16                    *
; *                                        *
; ******************************************
S -> NP VP; ʶӶʶﹹνṹľ
S -> VP;  ʶֱӹɾ
S -> NP;  ʶֱӹɾ
NP -> noun; ֱΪʶ
NP -> adj noun; +->ʶ
NP -> det noun; +->ʶ
NP -> DJ; ġֽṹ
NP -> DJ NP; ġֽṹʶ
DJ -> VP de;  VPӡġɵġġֽṹ
DJ -> NP de;  NPӡġɵġġֽṹ
NP -> VC NP;  ƫṹ һͷҲȫһ
VP -> VC NP;  ṹ
VC -> vt adj; ṹ
VC -> VC utl; ʴšˡγɵĽṹ
VC -> vt;     ֱΪʶ
PP -> prep NP;
VP -> VP PP;
NP -> NP PP;


