story: [Lisa] went to the lake with her daughters [Michelle] and [Eustolia]. [Eustolia] was sad her grandmother [Sandra] could n't join them. [Eustolia] was mad at her brother [Stacy], because [Stacy] had called her fat.
query: ('Michelle', 'Sandra')
clean_story: [Lisa] went to the lake with her daughters [Michelle] and [Eustolia]. [Eustolia] was sad her grandmother [Sandra] could n't join them.
proof_state: [{('Michelle', 'grandmother', 'Sandra'): [('Michelle', 'mother', 'Lisa'), ('Lisa', 'mother', 'Sandra')]}, {('Lisa', 'mother', 'Sandra'): [('Lisa', 'daughter', 'Eustolia'), ('Eustolia', 'grandmother', 'Sandra')]}]