story: [James] took his grandson [Bobby] and his daughter [Cindy] to the beach last weekend. [Bobby]'s father [Hugh] could n't go because he had to work.
query: ('Hugh', 'Cindy')
clean_story: [James] took his grandson [Bobby] and his daughter [Cindy] to the beach last weekend. [Bobby]'s father [Hugh] could n't go because he had to work.
proof_state: [{('Hugh', 'sister', 'Cindy'): [('Hugh', 'father', 'James'), ('James', 'daughter', 'Cindy')]}, {('Hugh', 'father', 'James'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'grandfather', 'James')]}]
edge_types: ['son', 'grandfather', 'daughter']