story: [April], who is the sister of [Dorothy], is a lovely girl. [April] asked her daughter, [Melba], if she had fun at school that day. [Melba] answered that she and her sister, [Sharon], had lots of fun together. [Lucille] went to the store with her sister [Sharon]
query: ('Dorothy', 'Lucille')
clean_story: [April], who is the sister of [Dorothy], is a lovely girl. [April] asked her daughter, [Melba], if she had fun at school that day. [Melba] answered that she and her sister, [Sharon], had lots of fun together. [Lucille] went to the store with her sister [Sharon]
proof_state: [{('Dorothy', 'niece', 'Lucille'): [('Dorothy', 'sister', 'April'), ('April', 'daughter', 'Lucille')]}, {('April', 'daughter', 'Lucille'): [('April', 'daughter', 'Sharon'), ('Sharon', 'sister', 'Lucille')]}, {('April', 'daughter', 'Sharon'): [('April', 'daughter', 'Melba'), ('Melba', 'sister', 'Sharon')]}]
edge_types: ['sister', 'daughter', 'sister', 'sister']