story: [Dana]'s Aunt [Crystal] decided to take him on a 7-day cruise! [Dana]'s father's name is [Otto]. [Otto] decided to take his daughter [Ellen] to Disneyworld.
query: ('Otto', 'Crystal')
clean_story: [Dana]'s father's name is [Otto]. [Dana]'s Aunt [Crystal] decided to take him on a 7-day cruise!
proof_state: [{('Otto', 'sister', 'Crystal'): [('Otto', 'son', 'Dana'), ('Dana', 'aunt', 'Crystal')]}]