story: [Elliott] called his brother [Alan] on Friday because it was his birthday. [Sandra] drove her son [Matthew] to his soccer game. [Matthew] has always wanted to go to Disneyland. His uncle [Elliott] has promised to take him this summer.
query: ('Sandra', 'Alan')
clean_story: [Sandra] drove her son [Matthew] to his soccer game. [Matthew] has always wanted to go to Disneyland. His uncle [Elliott] has promised to take him this summer. [Elliott] called his brother [Alan] on Friday because it was his birthday.
proof_state: [{('Sandra', 'brother', 'Alan'): [('Sandra', 'brother', 'Elliott'), ('Elliott', 'brother', 'Alan')]}, {('Sandra', 'brother', 'Elliott'): [('Sandra', 'son', 'Matthew'), ('Matthew', 'uncle', 'Elliott')]}]