story: [Karen] loved her mother [Melissa]. She was heartbroken when she heard [Melissa] had suddenly passed away. [Melissa] and her husband [Preston] went to catch an early movie at the theatre. [Melissa] took her son [Mack] to school this morning because he missed the bus.
query: ('Karen', 'Mack')
clean_story: [Karen] loved her mother [Melissa]. She was heartbroken when she heard [Melissa] had suddenly passed away. [Melissa] took her son [Mack] to school this morning because he missed the bus.
proof_state: [{('Karen', 'brother', 'Mack'): [('Karen', 'mother', 'Melissa'), ('Melissa', 'son', 'Mack')]}]