story: [Benjamin] and his wife [April] asked [April]'s brother [Frank] and [Benjamin]'s daughter [Lucille] to come over for a cookout on Sunday because it was the fourth of July holiday. [Toni], who is the sister of [Lucille], is a lovely girl.
query: ('Frank', 'Toni')
clean_story: [Benjamin] and his wife [April] asked [April]'s brother [Frank] and [Benjamin]'s daughter [Lucille] to come over for a cookout on Sunday because it was the fourth of July holiday. [Toni], who is the sister of [Lucille], is a lovely girl.
proof_state: [{('Frank', 'niece', 'Toni'): [('Frank', 'sister', 'April'), ('April', 'daughter', 'Toni')]}, {('April', 'daughter', 'Toni'): [('April', 'daughter', 'Lucille'), ('Lucille', 'sister', 'Toni')]}, {('April', 'daughter', 'Lucille'): [('April', 'husband', 'Benjamin'), ('Benjamin', 'daughter', 'Lucille')]}]
edge_types: ['sister', 'husband', 'daughter', 'sister']