story: [Mary] invited her mother [Nettie], her brother [Robert] and her daughter [Patricia] over to watch the football game on Sunday. [Krystal] was helping her grandmother [Nettie] work in the garden while her sister [Patricia] played nearby.
clean_story: [Mary] invited her mother [Nettie], her brother [Robert] and her daughter [Patricia] over to watch the football game on Sunday.
proof_state: [{('Robert', 'mother', 'Nettie'): [('Robert', 'sister', 'Mary'), ('Mary', 'mother', 'Nettie')]}, {('Mary', 'mother', 'Nettie'): [('Mary', 'daughter', 'Patricia'), ('Patricia', 'grandmother', 'Nettie')]}]