story: [Alan] went to pick up his son [Clarence] from the baseball practice. [Elliott] called his mother, [Molly], to tell her the good news of his engagement. [Molly] took her son [Alan] to the mall to shop for school clothes.
query: ('Elliott', 'Clarence')
clean_story: [Elliott] called his mother, [Molly], to tell her the good news of his engagement. [Molly] took her son [Alan] to the mall to shop for school clothes. [Alan] went to pick up his son [Clarence] from the baseball practice.
proof_state: [{('Elliott', 'nephew', 'Clarence'): [('Elliott', 'brother', 'Alan'), ('Alan', 'son', 'Clarence')]}, {('Elliott', 'brother', 'Alan'): [('Elliott', 'mother', 'Molly'), ('Molly', 'son', 'Alan')]}]