story: [Jason]'s grandfather, [Stanley], was part of a famous band. [Marian] does n't like having to babysit her younger brother, [Alan]. [Alan] took his son [Jason] for boxing lessons. He felt the boy needed to toughen up.
query: ('Marian', 'Stanley')
clean_story: [Marian] does n't like having to babysit her younger brother, [Alan]. [Alan] took his son [Jason] for boxing lessons. He felt the boy needed to toughen up. [Jason]'s grandfather, [Stanley], was part of a famous band.
proof_state: [{('Marian', 'father', 'Stanley'): [('Marian', 'brother', 'Alan'), ('Alan', 'father', 'Stanley')]}, {('Alan', 'father', 'Stanley'): [('Alan', 'son', 'Jason'), ('Jason', 'grandfather', 'Stanley')]}]