story: [Lisa] adores her son Micheal. Micheal's father [Peter] is a great dad. [Lisa]'s son, [Stacy], played with the cake dough while [Lisa]'s daughter, [Eustolia], mixed together ingredients. [Sandra] is so proud of [Eustolia] who is the sister of her grandson.
query: ('Stacy', 'Sandra')
clean_story: [Lisa]'s son, [Stacy], played with the cake dough while [Lisa]'s daughter, [Eustolia], mixed together ingredients. [Sandra] is so proud of [Eustolia] who is the sister of her grandson.
proof_state: [{('Stacy', 'grandmother', 'Sandra'): [('Stacy', 'sister', 'Eustolia'), ('Eustolia', 'grandmother', 'Sandra')]}, {('Stacy', 'sister', 'Eustolia'): [('Stacy', 'mother', 'Lisa'), ('Lisa', 'daughter', 'Eustolia')]}]