story: [Jeff] asked his grandad [Clarence] if he could get some sweets for him and his sister [Linda].
query: ('Clarence', 'Linda')
clean_story: [Jeff] asked his grandad [Clarence] if he could get some sweets for him and his sister [Linda].
proof_state: [{('Clarence', 'granddaughter', 'Linda'): [('Clarence', 'grandson', 'Jeff'), ('Jeff', 'sister', 'Linda')]}]
edge_types: ['grandson', 'sister']