story: [Lisa] is weary of her son [Stacy]'s behaviour. He is often in trouble at school. [Lisa] is taking a trip to see her sister [Rose]. [Lisa] and her brother [Mark] were having a wonderful time at Disneyland. [Erik]'s brother, [Stacy], brought the car over to help him.
query: ('Erik', 'Mark')
clean_story: [Erik]'s brother, [Stacy], brought the car over to help him. [Lisa] is weary of her son [Stacy]'s behaviour. He is often in trouble at school. [Lisa] and her brother [Mark] were having a wonderful time at Disneyland.
proof_state: [{('Erik', 'uncle', 'Mark'): [('Erik', 'mother', 'Lisa'), ('Lisa', 'brother', 'Mark')]}, {('Erik', 'mother', 'Lisa'): [('Erik', 'brother', 'Stacy'), ('Stacy', 'mother', 'Lisa')]}]