story: [Sandra] visited her brother [Alan] in New York. His sister [Marian] was there too. [Darnell] was celebrating her birthday with her mother [Marian].
query: ('Darnell', 'Sandra')
clean_story: [Darnell] was celebrating her birthday with her mother [Marian]. [Sandra] visited her brother [Alan] in New York. His sister [Marian] was there too.
proof_state: [{('Darnell', 'aunt', 'Sandra'): [('Darnell', 'mother', 'Marian'), ('Marian', 'sister', 'Sandra')]}, {('Marian', 'sister', 'Sandra'): [('Marian', 'brother', 'Alan'), ('Alan', 'sister', 'Sandra')]}]