What rivers were located next to ancient Sumer?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q35355', 'id': 0, 'label': 'Sumer'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q25696238', 'id': 1, 'label': None}], 'links': [{'name_': 'P2959', 'source': 0, 'target': 1, 'label': 'permanent duplicated item'}, {'name_': 'P2959', 'source': 1, 'target': 0, 'label': 'permanent duplicated item'}]}
Sumer is a permanent duplicated item of an unknown entity.
The celestial body known as Sumer is also known as a permanent duplicated item .
What rivers were located next to ancient Sumer?</s>Sumer [unused1]None                [unused2] is
What rivers were located next to ancient Sumer?</s>Sumer is a permanent duplicated item of an unknown entity.
What rivers were located next to ancient Sumer?</s>The [unused1]None                [unused2] celestial
What rivers were located next to ancient Sumer?</s>The celestial body known as Sumer is also known as a permanent duplicated item .
What rivers were located next to ancient Sumer?</s>Sumer,0,Sumer,Sumer,permanent duplicated item,[unused1]None[unused2],[unused1]None[unused2],permanent duplicated item,Sumer,[unused1]None[unused2],0,[unused1]None[unused2]
What rivers were located next to ancient Sumer?</s>Sumer,0,Sumer,Sumer,permanent duplicated item,None,None,permanent duplicated item,Sumer,None,0,None