story: [Paul]'s son, [Jess], loves trains. [Paul]'s sister, [Crystal], got him a nice model trail set for his birthday. [Paul] is in the sixth grade. He looks up to his sister [Melissa], who is in the seventh.
query: ('Jess', 'Crystal')
clean_story: [Paul]'s son, [Jess], loves trains. [Paul]'s sister, [Crystal], got him a nice model trail set for his birthday.
proof_state: [{('Jess', 'aunt', 'Crystal'): [('Jess', 'father', 'Paul'), ('Paul', 'sister', 'Crystal')]}]