What rivers were located next to ancient Sumer?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q6173448', 'id': 0, 'label': 'Wikipedia:Vital articles/Level/4'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q35591', 'id': 1, 'label': 'Tigris'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q35355', 'id': 2, 'label': 'Sumer'}], 'links': [{'name_': 'P5008', 'source': 1, 'target': 0, 'label': 'on focus list of Wikimedia project'}, {'name_': 'P5008', 'source': 2, 'target': 0, 'label': 'on focus list of Wikimedia project'}]}
The Wikimedia project's focus is on the Tigris and Sumer rivers. The level 4 articles on the Wikimedia site are called  Wikipedia : Vital articles / Level/4 ''.
The editors of Wikipedia :Vital articles/Level/4 are interested in the study of Sumer and also in the publication of the book , Tigris .
What rivers were located next to ancient Sumer?</s>The Wikimedia project's focus is on the [unused1]Tigris                [unused2] and Sumer rivers. The level 4 articles on the Wikimedia site are called  Wikipedia : Vital articles / Level/4 ''.
What rivers were located next to ancient Sumer?</s>The Wikimedia project's focus is on the Tigris and Sumer rivers. The level 4 articles on the Wikimedia site are called  Wikipedia : Vital articles / Level/4 ''.
What rivers were located next to ancient Sumer?</s>The editors of Wikipedia :Vital articles/Level/4 are interested in the study of Sumer and also in the publication of the book , [unused1]Tigris                [unused2] .
What rivers were located next to ancient Sumer?</s>The editors of Wikipedia :Vital articles/Level/4 are interested in the study of Sumer and also in the publication of the book , Tigris .
What rivers were located next to ancient Sumer?</s>Wikipedia:Vital articles/Level/4,0,Wikipedia:Vital articles/Level/4,Wikipedia:Vital articles/Level/4,0,[unused1]Tigris[unused2],Wikipedia:Vital articles/Level/4,0,Sumer,[unused1]Tigris[unused2],on focus list of Wikimedia project,Wikipedia:Vital articles/Level/4,[unused1]Tigris[unused2],0,[unused1]Tigris[unused2],[unused1]Tigris[unused2],0,Sumer,Sumer,on focus list of Wikimedia project,Wikipedia:Vital articles/Level/4,Sumer,0,[unused1]Tigris[unused2],Sumer,0,Sumer
What rivers were located next to ancient Sumer?</s>Wikipedia:Vital articles/Level/4,0,Wikipedia:Vital articles/Level/4,Wikipedia:Vital articles/Level/4,0,Tigris,Wikipedia:Vital articles/Level/4,0,Sumer,Tigris,on focus list of Wikimedia project,Wikipedia:Vital articles/Level/4,Tigris,0,Tigris,Tigris,0,Sumer,Sumer,on focus list of Wikimedia project,Wikipedia:Vital articles/Level/4,Sumer,0,Tigris,Sumer,0,Sumer