story: [Lisa] took her son, [Stacy], to the movie theater for his birthday. [Michelle]'s sister [Eustolia] painted a picture for [Michelle]'s mother, [Lisa]. [Sandra] took her grandson [Eustolia] to the zoo. He loved feeding the monkeys.
query: ('Lisa', 'Sandra')
clean_story: [Michelle]'s sister [Eustolia] painted a picture for [Michelle]'s mother, [Lisa]. [Sandra] took her grandson [Eustolia] to the zoo. He loved feeding the monkeys.
proof_state: [{('Lisa', 'mother', 'Sandra'): [('Lisa', 'daughter', 'Eustolia'), ('Eustolia', 'grandmother', 'Sandra')]}, {('Lisa', 'daughter', 'Eustolia'): [('Lisa', 'daughter', 'Michelle'), ('Michelle', 'sister', 'Eustolia')]}]