story: [Alma] went to the park with her son [Russell] and after the park they went to visit [Jason] who is [Alma] father.
query: ('Jason', 'Russell')
clean_story: [Alma] went to the park with her son [Russell] and after the park they went to visit [Jason] who is [Alma] father.
proof_state: [{('Jason', 'grandson', 'Russell'): [('Jason', 'daughter', 'Alma'), ('Alma', 'son', 'Russell')]}]