story: [John] and his sister [Rebbeca] love to play video games. [Minnie] walked to the park with her son [John]. [John]'s wife [Ellen] was at the park waiting for them.
query: ('Ellen', 'Minnie')
clean_story: [Minnie] walked to the park with her son [John]. [John]'s wife [Ellen] was at the park waiting for them.
proof_state: [{('Ellen', 'mother-in-law', 'Minnie'): [('Ellen', 'husband', 'John'), ('John', 'mother', 'Minnie')]}]