story: [David]'s brother, [Bernard], recently got elected as a senator. [James] is a man with a son named [David]. [Bernard] was having an argument with her sister, [Amanda].
query: ('Bernard', 'James')
clean_story: [David]'s brother, [Bernard], recently got elected as a senator. [James] is a man with a son named [David].
proof_state: [{('Bernard', 'father', 'James'): [('Bernard', 'brother', 'David'), ('David', 'father', 'James')]}]