story: [Fletcher]'s father, [Paul], took his son to the movies. [Otto], [Paul]'s brother, met them there. [Fletcher] and his brother [Leo] wanted to backpack across Europe together once they graduated college.
query: ('Fletcher', 'Otto')
clean_story: [Fletcher]'s father, [Paul], took his son to the movies. [Otto], [Paul]'s brother, met them there.
proof_state: [{('Fletcher', 'uncle', 'Otto'): [('Fletcher', 'father', 'Paul'), ('Paul', 'brother', 'Otto')]}]