story: [Sandra] takes her son [James] to the park every Saturday. [Eustolia] called her brother, [Erik], up to see how he was doing after surgery. [Sandra] bought her son [Peter] a basketball for his birthday. [Peter] is the loving father of his wonderful child [Eustolia]. [Eustolia] loves [Peter].
query: ('Eustolia', 'James')
clean_story: [Peter] is the loving father of his wonderful child [Eustolia]. [Eustolia] loves [Peter]. [Sandra] bought her son [Peter] a basketball for his birthday. [Sandra] takes her son [James] to the park every Saturday.
proof_state: [{('Eustolia', 'uncle', 'James'): [('Eustolia', 'father', 'Peter'), ('Peter', 'brother', 'James')]}, {('Peter', 'brother', 'James'): [('Peter', 'mother', 'Sandra'), ('Sandra', 'son', 'James')]}]