story: [Marian] and her sister [Sandra] have never been close. Still, they love each other because they are family. [Marian] went on a vacation with her brother [Alan]. [Sandra] was so glad to travel with her son, [Ellis]. He made the trip enjoyable.
query: ('Ellis', 'Alan')
clean_story: [Sandra] was so glad to travel with her son, [Ellis]. He made the trip enjoyable. [Marian] and her sister [Sandra] have never been close. Still, they love each other because they are family. [Marian] went on a vacation with her brother [Alan].
proof_state: [{('Ellis', 'uncle', 'Alan'): [('Ellis', 'mother', 'Sandra'), ('Sandra', 'brother', 'Alan')]}, {('Sandra', 'brother', 'Alan'): [('Sandra', 'sister', 'Marian'), ('Marian', 'brother', 'Alan')]}]