story: [Mark] went to the lake with his sister [Lisbeth] and brother [James]. [Mark]'s son [Richard] went fishing with his friends. [Mark] is frustrated teaching his son how to drive. His son is [Jason].
query: ('Richard', 'James')
clean_story: [Mark] went to the lake with his sister [Lisbeth] and brother [James]. [Mark]'s son [Richard] went fishing with his friends.
proof_state: [{('Richard', 'uncle', 'James'): [('Richard', 'father', 'Mark'), ('Mark', 'brother', 'James')]}, {('Mark', 'brother', 'James'): [('Mark', 'sister', 'Lisbeth'), ('Lisbeth', 'brother', 'James')]}]