story: [Ellis] went to the park with his father, [James]. [Alan] and his brother [James] are fighting again. [Sandra] sat anxiously in the airport terminal, waiting to see her son [Ellis] walk through the gate.
query: ('Sandra', 'Alan')
clean_story: [Sandra] sat anxiously in the airport terminal, waiting to see her son [Ellis] walk through the gate. [Ellis] went to the park with his father, [James]. [Alan] and his brother [James] are fighting again.
proof_state: [{('Sandra', 'brother', 'Alan'): [('Sandra', 'son', 'Ellis'), ('Ellis', 'uncle', 'Alan')]}, {('Ellis', 'uncle', 'Alan'): [('Ellis', 'father', 'James'), ('James', 'brother', 'Alan')]}]