story: [Christopher] read his daughter [Guillermina] a bedtime story. Soon she was fast asleep. [Lisa] loves her brother [Christopher].
query: ('Lisa', 'Guillermina')
clean_story: [Lisa] loves her brother [Christopher]. [Christopher] read his daughter [Guillermina] a bedtime story. Soon she was fast asleep.
proof_state: [{('Lisa', 'niece', 'Guillermina'): [('Lisa', 'brother', 'Christopher'), ('Christopher', 'daughter', 'Guillermina')]}]