story: [Carol] is taking a trip to see her sister [Lisbeth]. [Richard] and his mother [Carol] are very close. They spend as much time together as they can. [Richard] asked his father [Mark] if he could have a video game and he said okay. [Anna]'s brother [Richard] and her went to get ice cream.
query: ('Mark', 'Lisbeth')
clean_story: [Richard] asked his father [Mark] if he could have a video game and he said okay. [Richard] and his mother [Carol] are very close. They spend as much time together as they can. [Carol] is taking a trip to see her sister [Lisbeth].
proof_state: [{('Mark', 'sister', 'Lisbeth'): [('Mark', 'son', 'Richard'), ('Richard', 'aunt', 'Lisbeth')]}, {('Richard', 'aunt', 'Lisbeth'): [('Richard', 'mother', 'Carol'), ('Carol', 'sister', 'Lisbeth')]}]