story: [William] loved his mother, [Myrna]. [William] met his uncle, [Michael], at the zoo for some fun.
query: ('Myrna', 'Michael')
clean_story: [William] loved his mother, [Myrna]. [William] met his uncle, [Michael], at the zoo for some fun.
proof_state: [{('Myrna', 'brother', 'Michael'): [('Myrna', 'son', 'William'), ('William', 'uncle', 'Michael')]}]