story: [Sandra] made a cake for her granddaughter [Michelle]. [Michelle]'s brother [Stacy] ate cookies instead. [Erik] is [Stacy]'s Brother. [Lisa]'s son called [Stacy] is good and intelligent boy
query: ('Lisa', 'Sandra')
clean_story: [Lisa]'s son called [Stacy] is good and intelligent boy [Sandra] made a cake for her granddaughter [Michelle]. [Michelle]'s brother [Stacy] ate cookies instead.
proof_state: [{('Lisa', 'mother', 'Sandra'): [('Lisa', 'son', 'Stacy'), ('Stacy', 'grandmother', 'Sandra')]}, {('Stacy', 'grandmother', 'Sandra'): [('Stacy', 'sister', 'Michelle'), ('Michelle', 'grandmother', 'Sandra')]}]