story: [Molly] took her son [Alan] and his sister [Marian] to the bowling alley, where [Marian]'s daughter [Darnell] works.
query: ('Molly', 'Darnell')
clean_story: [Molly] took her son [Alan] and his sister [Marian] to the bowling alley, where [Marian]'s daughter [Darnell] works.
proof_state: [{('Molly', 'granddaughter', 'Darnell'): [('Molly', 'daughter', 'Marian'), ('Marian', 'daughter', 'Darnell')]}, {('Molly', 'daughter', 'Marian'): [('Molly', 'son', 'Alan'), ('Alan', 'sister', 'Marian')]}]