story: [Elliott] called his brother, [James], to confirm when [James]'s sister, [Valerie], was coming to the dinner. [Elliott] liked to play games with his sister, [Michelle].
query: ('Valerie', 'Michelle')
clean_story: [Elliott] called his brother, [James], to confirm when [James]'s sister, [Valerie], was coming to the dinner. [Elliott] liked to play games with his sister, [Michelle].
proof_state: [{('Valerie', 'sister', 'Michelle'): [('Valerie', 'brother', 'James'), ('James', 'sister', 'Michelle')]}, {('James', 'sister', 'Michelle'): [('James', 'brother', 'Elliott'), ('Elliott', 'sister', 'Michelle')]}]