story: [Dwight] called his brother, [Christopher], to confirm when [Christopher]'s sister, [Alma], was coming to the dinner.
query: ('Alma', 'Dwight')
clean_story: [Dwight] called his brother, [Christopher], to confirm when [Christopher]'s sister, [Alma], was coming to the dinner.
proof_state: [{('Alma', 'brother', 'Dwight'): [('Alma', 'brother', 'Christopher'), ('Christopher', 'brother', 'Dwight')]}]