story: [Bernard] was playing his sister [Rosemary]. Suddenly, [Rosemary]'s mother [Crystal] called her to come upstairs right away. [Thomas] and his sister [Rosemary] went to brunch today at the new diner.
query: ('Bernard', 'Crystal')
clean_story: [Bernard] was playing his sister [Rosemary]. Suddenly, [Rosemary]'s mother [Crystal] called her to come upstairs right away.
proof_state: [{('Bernard', 'mother', 'Crystal'): [('Bernard', 'sister', 'Rosemary'), ('Rosemary', 'mother', 'Crystal')]}]