story: [Karen] and her brother [Edward] were having a wonderful time at Disneyland. [Brian] and his sister, [Karen], went shopping. [Karen] asked her mom [Melissa] if she wanted anything, but [Melissa] said no.
query: ('Brian', 'Melissa')
clean_story: [Brian] and his sister, [Karen], went shopping. [Karen] asked her mom [Melissa] if she wanted anything, but [Melissa] said no.
proof_state: [{('Brian', 'mother', 'Melissa'): [('Brian', 'sister', 'Karen'), ('Karen', 'mother', 'Melissa')]}]