story: [Preston] took his son [Brian] to school this morning because he missed the bus. [Brian] was happy to see his aunt [Nancy]. [Geraldine] realized that her father [Preston] was gay.
query: ('Preston', 'Nancy')
clean_story: [Preston] took his son [Brian] to school this morning because he missed the bus. [Brian] was happy to see his aunt [Nancy].
proof_state: [{('Preston', 'sister', 'Nancy'): [('Preston', 'son', 'Brian'), ('Brian', 'aunt', 'Nancy')]}]