story: [James] and his son [Mark] went to the park to look for different kinds of birds. [Bernard] needed someone to help him move out of his dorm last May. He asked his brother [Mark] and he said he would help him. [Adam] is taking his son [James] on a camping trip for the weekend.
query: ('Mark', 'Adam')
clean_story: [James] and his son [Mark] went to the park to look for different kinds of birds. [Adam] is taking his son [James] on a camping trip for the weekend.
proof_state: [{('Mark', 'grandfather', 'Adam'): [('Mark', 'father', 'James'), ('James', 'father', 'Adam')]}]