story: [Alfred] called his brother [Mark] on the phone. He wanted to go out for some beers. [Alfred] loved teaching his son, [Kenneth], baseball. [Kenneth] 'uncle, [James], bought him a new fishing rod [Mark] tripped his brother [Peter] in the living room.
query: ('Mark', 'James')
clean_story: [Alfred] called his brother [Mark] on the phone. He wanted to go out for some beers. [Alfred] loved teaching his son, [Kenneth], baseball. [Kenneth] 'uncle, [James], bought him a new fishing rod
proof_state: [{('Mark', 'brother', 'James'): [('Mark', 'brother', 'Alfred'), ('Alfred', 'brother', 'James')]}, {('Alfred', 'brother', 'James'): [('Alfred', 'son', 'Kenneth'), ('Kenneth', 'uncle', 'James')]}]