story: [James] and his son [Errol] went to the park to look for different kinds of birds. [Jennifer] went over to her uncle [Mark]'s house for dinner. [Mark] was a gourmet cook, and tonight he made a delicious crown of lamb. [James] is a man with a daughter named [Jennifer]. [James] who is [Casey]'s father grounded [Casey] after finding out what [Casey] had done at school.
query: ('Errol', 'Mark')
clean_story: [James] and his son [Errol] went to the park to look for different kinds of birds. [James] is a man with a daughter named [Jennifer]. [Jennifer] went over to her uncle [Mark]'s house for dinner. [Mark] was a gourmet cook, and tonight he made a delicious crown of lamb.
proof_state: [{('Errol', 'uncle', 'Mark'): [('Errol', 'father', 'James'), ('James', 'brother', 'Mark')]}, {('James', 'brother', 'Mark'): [('James', 'daughter', 'Jennifer'), ('Jennifer', 'uncle', 'Mark')]}]