story: [John] went to the baseball game with his brother [William]. [John] was sad to learn that his sister [Rebbeca] was not going to make it to dinner like they had planned. [Otto] does not know he has a son named [John].
query: ('Otto', 'Rebbeca')
clean_story: [Otto] does not know he has a son named [John]. [John] was sad to learn that his sister [Rebbeca] was not going to make it to dinner like they had planned.
proof_state: [{('Otto', 'daughter', 'Rebbeca'): [('Otto', 'son', 'John'), ('John', 'sister', 'Rebbeca')]}]