story: [Crystal] asked her father [Adam] if she could spend the night at her friend's house. [Nancy]'s brother, [Otto], did n't want to take the big annual trip. However, [Nancy]'s sister, [Crystal], was all for the trip.
query: ('Crystal', 'Otto')
clean_story: [Nancy]'s brother, [Otto], did n't want to take the big annual trip. However, [Nancy]'s sister, [Crystal], was all for the trip.
proof_state: [{('Crystal', 'brother', 'Otto'): [('Crystal', 'sister', 'Nancy'), ('Nancy', 'brother', 'Otto')]}]