story: [Scott] could n't wait to introduce his new son to his uncle, [Mark]. [Casey] and his sister [Diana] stood in line at the fair. [Diana] called her father [James] on the phone, but he was on the other line with his son [Scott]. He told [Diana] he'd call her back in a few minutes.
query: ('Diana', 'Mark')
clean_story: [Diana] called her father [James] on the phone, but he was on the other line with his son [Scott]. He told [Diana] he'd call her back in a few minutes. [Scott] could n't wait to introduce his new son to his uncle, [Mark].
proof_state: [{('Diana', 'uncle', 'Mark'): [('Diana', 'father', 'James'), ('James', 'brother', 'Mark')]}, {('James', 'brother', 'Mark'): [('James', 'son', 'Scott'), ('Scott', 'uncle', 'Mark')]}]