story: [Molly] invited her grandsons [Sidney] and [John] to go camping next weekend with her and her husband [Stanley].
query: ('Stanley', 'John')
clean_story: [Molly] invited her grandsons [Sidney] and [John] to go camping next weekend with her and her husband [Stanley].
proof_state: [{('Stanley', 'grandson', 'John'): [('Stanley', 'wife', 'Molly'), ('Molly', 'grandson', 'John')]}, {('Molly', 'grandson', 'John'): [('Molly', 'grandson', 'Sidney'), ('Sidney', 'brother', 'John')]}]