Predicate: {iHotifAl
Roleset id: 01 , celebrating
        Arg0: the celebrator
        Arg1: the occasion
Frame:
(VP
(NOUN.VN+CASE_DEF_GEN احتفال)
(NP-SBJ
(NOUN_PROP+CASE_INDEF_GEN اسرائيل))
(PP-CLR
(PREP ب)
(NP
(NP
(DET+NOUN الذكرى)
(DET+ADJ+NSUFF_MASC_PL_GEN الخمسين))
(PP
(PREP ل)
(NP
(NOUN+CASE_DEF_GEN تأسيس)
(NP
(NOUN+NSUFF_FEM_SG+CASE_DEF_GEN دولت)
(NP
(POSS_PRON_3FS ها))))))))))
        Arg0 : اسرائيل
        Gloss: Israel
        Arg1 : بالذكرى الخمسين لتأسيس دولتها
        Gloss: the fiftieth anniversary of the founding of their state