story: [Stephen] took his daughter [Peggy] to the park that afternoon to play. [Peggy] takes good care of her grandmother, [Nettie]. [William] and his sister [Cecilia] went out for ice cream. [Stephen] and [Cecilia] got married in Hawaii. [Cecilia] spent a great day shopping with her daughter, [Peggy].
clean_story: [William] and his sister [Cecilia] went out for ice cream. [Cecilia] spent a great day shopping with her daughter, [Peggy]. [Peggy] takes good care of her grandmother, [Nettie].
proof_state: [{('William', 'mother', 'Nettie'): [('William', 'sister', 'Cecilia'), ('Cecilia', 'mother', 'Nettie')]}, {('Cecilia', 'mother', 'Nettie'): [('Cecilia', 'daughter', 'Peggy'), ('Peggy', 'grandmother', 'Nettie')]}]