story: [Christopher]'s sister, [Alma], participated in the dance contest. [Alma] and her daughter [Vanessa] are entering the competition together.
query: ('Christopher', 'Vanessa')
clean_story: [Christopher]'s sister, [Alma], participated in the dance contest. [Alma] and her daughter [Vanessa] are entering the competition together.
proof_state: [{('Christopher', 'niece', 'Vanessa'): [('Christopher', 'sister', 'Alma'), ('Alma', 'daughter', 'Vanessa')]}]