story: [Elliott] would n't let his son [John] go to the park by himself. [John]'s brother [Sidney] offered to go with him. [Stanley] took his grandson [Sidney] to the park on Saturday and they had a good time.
query: ('Elliott', 'Stanley')
clean_story: [Elliott] would n't let his son [John] go to the park by himself. [John]'s brother [Sidney] offered to go with him. [Stanley] took his grandson [Sidney] to the park on Saturday and they had a good time.
proof_state: [{('Elliott', 'father', 'Stanley'): [('Elliott', 'son', 'John'), ('John', 'grandfather', 'Stanley')]}, {('John', 'grandfather', 'Stanley'): [('John', 'brother', 'Sidney'), ('Sidney', 'grandfather', 'Stanley')]}]
edge_types: ['son', 'brother', 'grandfather']