story: [Paul] has been married to [Nancy] for ten years today. [Paul] and his brother, [Preston], went out to dinner. [Paul] talked about his daughter, [Claire],'s play at school.
query: ('Preston', 'Claire')
clean_story: [Paul] and his brother, [Preston], went out to dinner. [Paul] talked about his daughter, [Claire],'s play at school.
proof_state: [{('Preston', 'niece', 'Claire'): [('Preston', 'brother', 'Paul'), ('Paul', 'daughter', 'Claire')]}]