story: [Sidney] id [Marian]'s only child. They have a really strong bond. They spend a lot of their free time together. [Rosie] baked a chocolate cake for her grandfather [Stanley] on his birthday. [Marian]'s daughter, [Rosie], just graduated high school.
query: ('Sidney', 'Stanley')
clean_story: [Sidney] id [Marian]'s only child. They have a really strong bond. They spend a lot of their free time together. [Marian]'s daughter, [Rosie], just graduated high school. [Rosie] baked a chocolate cake for her grandfather [Stanley] on his birthday.
proof_state: [{('Sidney', 'grandfather', 'Stanley'): [('Sidney', 'sister', 'Rosie'), ('Rosie', 'grandfather', 'Stanley')]}, {('Sidney', 'sister', 'Rosie'): [('Sidney', 'mother', 'Marian'), ('Marian', 'daughter', 'Rosie')]}]