story: [Charles]'s mother [Cecilia] had to help him with his homework because he was having a test soon. [Cecilia] and her mother [Nettie] went to the beauty parlor. [Cecilia]'s daughter, [Dana], worked there, and took care of their hair and nails for free. [Charles] and his sister, [Dana] love it when their grandmother visits because she spoils them. She is coming this week to watch them while their parents are out of town. [Stephen] took his daughter, [Dana], to a baseball game.
clean_story: [Stephen] took his daughter, [Dana], to a baseball game. [Cecilia] and her mother [Nettie] went to the beauty parlor. [Cecilia]'s daughter, [Dana], worked there, and took care of their hair and nails for free.
proof_state: [{('Stephen', 'mother', 'Nettie'): [('Stephen', 'daughter', 'Dana'), ('Dana', 'grandmother', 'Nettie')]}, {('Dana', 'grandmother', 'Nettie'): [('Dana', 'mother', 'Cecilia'), ('Cecilia', 'mother', 'Nettie')]}]