What rivers were located next to ancient Sumer?
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Sumer is different from summer.
Sumer is a different from summer .
What rivers were located next to ancient Sumer?</s>Sumer is different from [unused1]summer                [unused2] .
What rivers were located next to ancient Sumer?</s>Sumer is different from summer.
What rivers were located next to ancient Sumer?</s>Sumer is a different from [unused1]summer                [unused2] .
What rivers were located next to ancient Sumer?</s>Sumer is a different from summer .
What rivers were located next to ancient Sumer?</s>[unused1]summer[unused2],0,[unused1]summer[unused2],[unused1]summer[unused2],0,Sumer,Sumer,different from,[unused1]summer[unused2],Sumer,0,Sumer
What rivers were located next to ancient Sumer?</s>summer,0,summer,summer,0,Sumer,Sumer,different from,summer,Sumer,0,Sumer