story: [Beverly] enjoys playing cards with her brother. His name is [Charles]. [Dorothy], [Frank] and their son [Charles] went to dinner with [Frank] brother [Benjamin].
query: ('Benjamin', 'Beverly')
clean_story: [Dorothy], [Frank] and their son [Charles] went to dinner with [Frank] brother [Benjamin]. [Beverly] enjoys playing cards with her brother. His name is [Charles].
proof_state: [{('Benjamin', 'niece', 'Beverly'): [('Benjamin', 'brother', 'Frank'), ('Frank', 'daughter', 'Beverly')]}, {('Frank', 'daughter', 'Beverly'): [('Frank', 'son', 'Charles'), ('Charles', 'sister', 'Beverly')]}, {('Frank', 'son', 'Charles'): [('Frank', 'wife', 'Dorothy'), ('Dorothy', 'son', 'Charles')]}]
edge_types: ['brother', 'wife', 'son', 'sister']