story: [Eustolia]'s uncle, [Mark], bought her a pony. [Eustolia] is so thrilled! [Eustolia] met her brother, [Erik], for dinner. [Erik] was sad his father, [Lisa], could n't be there. [Peter] visited his daughter, [Eustolia], for Christmas this year.
query: ('Lisa', 'Mark')
clean_story: [Eustolia] met her brother, [Erik], for dinner. [Erik] was sad his father, [Lisa], could n't be there. [Eustolia]'s uncle, [Mark], bought her a pony. [Eustolia] is so thrilled!
proof_state: [{('Lisa', 'brother', 'Mark'): [('Lisa', 'daughter', 'Eustolia'), ('Eustolia', 'uncle', 'Mark')]}, {('Lisa', 'daughter', 'Eustolia'): [('Lisa', 'son', 'Erik'), ('Erik', 'sister', 'Eustolia')]}]