story: [Christopher] took his son [Jeffrey] to soccer practice. [Jeffrey] is so excited that he gets to visit his aunt [Lisa] this summer.
query: ('Christopher', 'Lisa')
clean_story: [Christopher] took his son [Jeffrey] to soccer practice. [Jeffrey] is so excited that he gets to visit his aunt [Lisa] this summer.
proof_state: [{('Christopher', 'sister', 'Lisa'): [('Christopher', 'son', 'Jeffrey'), ('Jeffrey', 'aunt', 'Lisa')]}]