story: [Travis] was n't sure what to write in his letter to his grandfather [Clarence], so he decided to ask is sister [June] for some advice.
query: ('Clarence', 'June')
clean_story: [Travis] was n't sure what to write in his letter to his grandfather [Clarence], so he decided to ask is sister [June] for some advice.
proof_state: [{('Clarence', 'granddaughter', 'June'): [('Clarence', 'grandson', 'Travis'), ('Travis', 'sister', 'June')]}]
edge_types: ['grandson', 'sister']