story: [Mark]'s Aunt [Nancy] decided to take him on a 7-day cruise! [Mark] sent flowers to his mother [Crystal] for Mother's Day. [James] went to pick up his son [Mark] from the baseball practice.
query: ('James', 'Nancy')
clean_story: [James] went to pick up his son [Mark] from the baseball practice. [Mark]'s Aunt [Nancy] decided to take him on a 7-day cruise!
proof_state: [{('James', 'sister', 'Nancy'): [('James', 'son', 'Mark'), ('Mark', 'aunt', 'Nancy')]}]