story: [Lucille] went to the park to feed birds with her grandfather [Jason]. [Lucille] and her sister [Guillermina] are the only children in their family.
query: ('Guillermina', 'Jason')
clean_story: [Lucille] and her sister [Guillermina] are the only children in their family. [Lucille] went to the park to feed birds with her grandfather [Jason].
proof_state: [{('Guillermina', 'grandfather', 'Jason'): [('Guillermina', 'sister', 'Lucille'), ('Lucille', 'grandfather', 'Jason')]}]