story: [Leah] asked her mother, [Cecilia], what they were going to have for lunch. [Jonathan] and his son [Stephen] went to look at cars. [Jonathan] ended up buying the Mustang. [Nettie] had a daughter named [Cecilia]. [Stephen] is proud that his daughter is such a good student. Her name is [Leah]. [Jonathan] and his sister, [Leah], went to a sneak preview of the Avengers movie and loved it.
clean_story: [Stephen] is proud that his daughter is such a good student. Her name is [Leah]. [Leah] asked her mother, [Cecilia], what they were going to have for lunch. [Nettie] had a daughter named [Cecilia].
proof_state: [{('Stephen', 'mother', 'Nettie'): [('Stephen', 'daughter', 'Leah'), ('Leah', 'grandmother', 'Nettie')]}, {('Leah', 'grandmother', 'Nettie'): [('Leah', 'mother', 'Cecilia'), ('Cecilia', 'mother', 'Nettie')]}]