story: [Jason] dropped his grandson [Joe] off at the school. Then he picked up coffee for himself and his wife [Gabrielle].
query: ('Gabrielle', 'Joe')
clean_story: [Jason] dropped his grandson [Joe] off at the school. Then he picked up coffee for himself and his wife [Gabrielle].
proof_state: [{('Gabrielle', 'grandson', 'Joe'): [('Gabrielle', 'husband', 'Jason'), ('Jason', 'grandson', 'Joe')]}]