story: [David] was adopted kid. He discovered last week that [Carol] is his mother. [Mark]'s son, [Richard], went to the candy store. [Richard]'s brother, [David], went with him. [Lisa] took her nephew, [David], to go feed the ducks at the park.
query: ('Mark', 'Lisa')
clean_story: [Mark]'s son, [Richard], went to the candy store. [Richard]'s brother, [David], went with him. [Lisa] took her nephew, [David], to go feed the ducks at the park.
proof_state: [{('Mark', 'sister', 'Lisa'): [('Mark', 'son', 'David'), ('David', 'aunt', 'Lisa')]}, {('Mark', 'son', 'David'): [('Mark', 'son', 'Richard'), ('Richard', 'brother', 'David')]}]