story: [James] took his daughter [Rosemary] to the zoo for her birthday. Then they went to go get some ice cream. [Preston] was talking to his brother [James], when suddenly [James] got a call from his son [Bernard].
query: ('Bernard', 'Preston')
clean_story: [Preston] was talking to his brother [James], when suddenly [James] got a call from his son [Bernard].
proof_state: [{('Bernard', 'uncle', 'Preston'): [('Bernard', 'father', 'James'), ('James', 'brother', 'Preston')]}]