story: [Christopher] really cares about his sister, [Dorothy]. His son [Alfred] does as well.
query: ('Alfred', 'Dorothy')
clean_story: [Christopher] really cares about his sister, [Dorothy]. His son [Alfred] does as well.
proof_state: [{('Alfred', 'aunt', 'Dorothy'): [('Alfred', 'father', 'Christopher'), ('Christopher', 'sister', 'Dorothy')]}]