,COMB9A;NS ,EXAMPLES #A4 ,SEV5 *OOSE FIVE IS WRITT5 _% ,C(7, 5) OR ,C;7[5 OR ;7",C5 OR (7%5) _: #B4 ;N *OOSE ;R IS WRITT5 _% ,C(N, R) OR ,C;N[R OR ;N",C;R OR (N%R) _: #C4 ,! NUMB] ( COMB9A;NS ( ;N OBJECTS TAK5 ;R AT A "T IS WRITT5 _% ;N",C;R OR ,C;N[R _: #D4 ,! NUMB] ( COMB9A;NS ( FIVE OBJECTS TAK5 ?REE AT A "T IS WRITT5 _% ;5",C3 OR ,C;5[3 _: #A