What is the 4th longest river in North America?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q49', 'id': 0, 'label': 'North America'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1265', 'id': 1, 'label': 'Colorado River'}], 'links': [{'name_': 'P30', 'source': 1, 'target': 0, 'label': 'continent'}]}
The Colorado River is found in North America.
The region of North America is the location of the river , the Colorado River .
What is the 4th longest river in North America?</s>The [unused1]Colorado River                [unused2] is found in North America.
What is the 4th longest river in North America?</s>The Colorado River is found in North America.
What is the 4th longest river in North America?</s>The region of North America is the location of the river , the [unused1]Colorado River                [unused2] .
What is the 4th longest river in North America?</s>The region of North America is the location of the river , the Colorado River .
What is the 4th longest river in North America?</s>North America,0,North America,North America,0,[unused1]Colorado River[unused2],[unused1]Colorado River[unused2],continent,North America,[unused1]Colorado River[unused2],0,[unused1]Colorado River[unused2]
What is the 4th longest river in North America?</s>North America,0,North America,North America,0,Colorado River,Colorado River,continent,North America,Colorado River,0,Colorado River