story: [Paul] was trying to get the attention of his father [Adam]. [Adam] was busy paying attention to his other son [Otto], unfortunately. [Otto] 'son [Dana] could not believe that his father bought him a coffee machine for his birthday.
query: ('Otto', 'Paul')
clean_story: [Paul] was trying to get the attention of his father [Adam]. [Adam] was busy paying attention to his other son [Otto], unfortunately.
proof_state: [{('Otto', 'brother', 'Paul'): [('Otto', 'father', 'Adam'), ('Adam', 'son', 'Paul')]}]