story: [Myrna] was playing tag with her father [Jason]. [William] asked his mom [Myrna] if she would bake him a cake. [Myrna] told him she would n't, because [William] was getting fat and did n't need the extra calories.
query: ('William', 'Jason')
clean_story: [William] asked his mom [Myrna] if she would bake him a cake. [Myrna] told him she would n't, because [William] was getting fat and did n't need the extra calories. [Myrna] was playing tag with her father [Jason].
proof_state: [{('William', 'grandfather', 'Jason'): [('William', 'mother', 'Myrna'), ('Myrna', 'father', 'Jason')]}]