story: [Francisco] took his wife [Cindy] and his son [Richard] on a road trip. They visited [Frances] [Richard]'s grandmother as part of the road trip.
query: ('Cindy', 'Frances')
clean_story: [Francisco] took his wife [Cindy] and his son [Richard] on a road trip. They visited [Frances] [Richard]'s grandmother as part of the road trip.
proof_state: [{('Cindy', 'mother', 'Frances'): [('Cindy', 'son', 'Richard'), ('Richard', 'grandmother', 'Frances')]}, {('Cindy', 'son', 'Richard'): [('Cindy', 'husband', 'Francisco'), ('Francisco', 'son', 'Richard')]}]
edge_types: ['husband', 'son', 'grandmother']