story: [Michelle] enjoyed spending time with her grandfather, [Rudolph]. She invited her brother, [Erik], and his sister, [Eustolia] over to spend time as well. [Rudolph] bought his grandson [Stacy] a brand new car for his birthday.
query: ('Rudolph', 'Eustolia')
clean_story: [Michelle] enjoyed spending time with her grandfather, [Rudolph]. She invited her brother, [Erik], and his sister, [Eustolia] over to spend time as well.
proof_state: [{('Rudolph', 'granddaughter', 'Eustolia'): [('Rudolph', 'granddaughter', 'Michelle'), ('Michelle', 'sister', 'Eustolia')]}, {('Michelle', 'sister', 'Eustolia'): [('Michelle', 'brother', 'Erik'), ('Erik', 'sister', 'Eustolia')]}]