story: [Darnell] us the daughter of [Elliott] 'wife. [Marian]'s son [John] and daughter [Darnell] went to get ice cream today.
query: ('Elliott', 'John')
clean_story: [Darnell] us the daughter of [Elliott] 'wife. [Marian]'s son [John] and daughter [Darnell] went to get ice cream today.
proof_state: [{('Elliott', 'son', 'John'): [('Elliott', 'daughter', 'Darnell'), ('Darnell', 'brother', 'John')]}, {('Darnell', 'brother', 'John'): [('Darnell', 'mother', 'Marian'), ('Marian', 'son', 'John')]}]