Left Table - LEFTTAB

                 Continent  Export    Country
                 -----------------------------
                 NA         wheat     Canada  
                 EUR        corn      France  
                 EUR        rice      Italy   
                 AFR        oil       Egypt   
                     Right Table- RIGHTTAB

                 Continent  Export    Country
                 -----------------------------
                 NA         sugar     USA     
                 EUR        corn      Spain   
                 EUR        beets     Belgium 
                 ASIA       rice      Vietnam