story: [Preston] and his wife, [Melissa], went to the dentist's office. [Edward], [Melissa]'s son, had just had his wisdom teeth pulled, and they needed to pick him up. [Melissa] took her son [Jaime] to school this morning because he missed the bus.
query: ('Preston', 'Edward')
clean_story: [Preston] and his wife, [Melissa], went to the dentist's office. [Edward], [Melissa]'s son, had just had his wisdom teeth pulled, and they needed to pick him up.
proof_state: [{('Preston', 'son', 'Edward'): [('Preston', 'wife', 'Melissa'), ('Melissa', 'son', 'Edward')]}]