Predicate: Haf~-u
Roleset id: 01 , to rub off, sharpen
        Arg0: agent sharpening
        Arg1: entity being sharpened
Frame:
(S
(CONJ ف)
(VP
(PV+PVSUFF_SUBJ:3MS حفَّ)
(NP-SBJ
(-NONE- *))
(NP-OBJ
(NOUN+CASE_DEF_ACC اشفار)
(NP
(POSS_PRON_3FS ها)))
(PP
(PREP في)
(NP
(NP
(DEM_PRON_F هذه))
(NP
(DET+NOUN+CASE_DEF_GEN الكتب))))))
        Arg0 : -NONE- *
        Gloss:
        Arg1 : أشفارها
        Gloss: its edges
        Argm-loc : في هذه الكتب
        Gloss: in these books