story: [Myrna] is the proud daughter of [Jason]. [Myrna] also has a brother named [James].
query: ('Jason', 'James')
clean_story: [Myrna] is the proud daughter of [Jason]. [Myrna] also has a brother named [James].
proof_state: [{('Jason', 'son', 'James'): [('Jason', 'daughter', 'Myrna'), ('Myrna', 'brother', 'James')]}]