story: [Michael] likes to take his niece, [Beverly], for walks by the beach. [Beverly] and her brother [Lee] gave gift to their mother [Sandra]
query: ('Lee', 'Michael')
clean_story: [Beverly] and her brother [Lee] gave gift to their mother [Sandra] [Michael] likes to take his niece, [Beverly], for walks by the beach.
proof_state: [{('Lee', 'uncle', 'Michael'): [('Lee', 'mother', 'Sandra'), ('Sandra', 'brother', 'Michael')]}, {('Sandra', 'brother', 'Michael'): [('Sandra', 'daughter', 'Beverly'), ('Beverly', 'uncle', 'Michael')]}]