Who was the first African American senator?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q49085', 'id': 0, 'label': 'African Americans'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q49078', 'id': 1, 'label': 'White Americans'}], 'links': [{'name_': 'P1889', 'source': 0, 'target': 1, 'label': 'different from'}, {'name_': 'P1889', 'source': 1, 'target': 0, 'label': 'different from'}]}
African Americans are different from White Americans.
African Americans and White Americans are different from one another .
Who was the first African American senator?</s>African Americans are different from [unused1]White Americans                [unused2] .
Who was the first African American senator?</s>African Americans are different from White Americans.
Who was the first African American senator?</s>African Americans and [unused1]White Americans                [unused2] are different from one another .
Who was the first African American senator?</s>African Americans and White Americans are different from one another .
Who was the first African American senator?</s>African Americans,0,African Americans,African Americans,different from,[unused1]White Americans[unused2],[unused1]White Americans[unused2],different from,African Americans,[unused1]White Americans[unused2],0,[unused1]White Americans[unused2]
Who was the first African American senator?</s>African Americans,0,African Americans,African Americans,different from,White Americans,White Americans,different from,African Americans,White Americans,0,White Americans