story: [Alan] took his son [Emmanuel] out for ice cream. [Alan]'s son [Jason], was still in school. [Emmanuel]'s grandfather, [Stanley], asked the boy what he wanted for Christmas. [Emmanuel] told him he wanted a remote controlled car.
query: ('Jason', 'Stanley')
clean_story: [Alan] took his son [Emmanuel] out for ice cream. [Alan]'s son [Jason], was still in school. [Emmanuel]'s grandfather, [Stanley], asked the boy what he wanted for Christmas. [Emmanuel] told him he wanted a remote controlled car.
proof_state: [{('Jason', 'grandfather', 'Stanley'): [('Jason', 'father', 'Alan'), ('Alan', 'father', 'Stanley')]}, {('Alan', 'father', 'Stanley'): [('Alan', 'son', 'Emmanuel'), ('Emmanuel', 'grandfather', 'Stanley')]}]