story: [Eustolia] and [Stacy] are siblings and best friends. They do everything together. Sometimes [Eustolia] invites her mom, [Lisa]. [Stacy] was angry with his brother [Erik] for forgetting to pick him up from school. [Eustolia] took her father [Peter] to watch a movie together.
query: ('Lisa', 'Erik')
clean_story: [Eustolia] and [Stacy] are siblings and best friends. They do everything together. Sometimes [Eustolia] invites her mom, [Lisa]. [Stacy] was angry with his brother [Erik] for forgetting to pick him up from school.
proof_state: [{('Lisa', 'son', 'Erik'): [('Lisa', 'daughter', 'Eustolia'), ('Eustolia', 'brother', 'Erik')]}, {('Eustolia', 'brother', 'Erik'): [('Eustolia', 'brother', 'Stacy'), ('Stacy', 'brother', 'Erik')]}]