story: [Valerie] always goes to the park with her son [Jason] on Saturdays. [Jason] was disappointed that his father, [Alan], would n't be at the play to see him perform. [Stanley] took his son [Alan] out for ice cream.
query: ('Valerie', 'Stanley')
clean_story: [Valerie] always goes to the park with her son [Jason] on Saturdays. [Jason] was disappointed that his father, [Alan], would n't be at the play to see him perform. [Stanley] took his son [Alan] out for ice cream.
proof_state: [{('Valerie', 'father', 'Stanley'): [('Valerie', 'son', 'Jason'), ('Jason', 'grandfather', 'Stanley')]}, {('Jason', 'grandfather', 'Stanley'): [('Jason', 'father', 'Alan'), ('Alan', 'father', 'Stanley')]}]
edge_types: ['son', 'father', 'father']