story: [Karen] is the happy daughter of her adoring father [Preston]. [Preston] has been with his wife [Melissa] since 1989. [Edward] asked his father [Preston] if he could have a video game and he said okay.
query: ('Melissa', 'Edward')
clean_story: [Preston] has been with his wife [Melissa] since 1989. [Edward] asked his father [Preston] if he could have a video game and he said okay.
proof_state: [{('Melissa', 'son', 'Edward'): [('Melissa', 'husband', 'Preston'), ('Preston', 'son', 'Edward')]}]