$HASH{country}{fruits} = 1 

where country can have value 
       Canada , US , Taiwan , England etc..
where fruits can have value
       apples[AA-ZZ] , pears[AA-ZZ] , watermelons[AA-ZZ] etc

so example database look would be :

Country :        Canada      US          Taiwan
Fruits :         apples      applesAB     applesZB
                             pearsWE      pearsDF
                 watermelons
                 orangesUPE               orangesABC
                 .          .            .
                 .           .            .
                 .           .            .

note : different countries can have different number of elements in fruits