story: [Sabrina] got accepted into her dream college. Her father [Paul] could not be any prouder. [Melissa] needed to go to the store. [Melissa] asked her sister [Crystal] for a ride. [Crystal] went car shopping with her brother [Paul].
query: ('Paul', 'Melissa')
clean_story: [Crystal] went car shopping with her brother [Paul]. [Melissa] needed to go to the store. [Melissa] asked her sister [Crystal] for a ride.
proof_state: [{('Paul', 'sister', 'Melissa'): [('Paul', 'sister', 'Crystal'), ('Crystal', 'sister', 'Melissa')]}]