story: [Sandra] drove her son [Alfred] to his soccer game. [Alfred]'s sister, [Lisa], participated in the dance contest. [Lisbeth] called [Lisa], her sister, to see if she wanted to go out to eat. [Lisa] and her daughter [Michelle] went out for ice cream. [Lisa] got a cone and [Michelle] got a sundae.
query: ('Sandra', 'Lisbeth')
clean_story: [Sandra] drove her son [Alfred] to his soccer game. [Alfred]'s sister, [Lisa], participated in the dance contest. [Lisbeth] called [Lisa], her sister, to see if she wanted to go out to eat.
proof_state: [{('Sandra', 'daughter', 'Lisbeth'): [('Sandra', 'daughter', 'Lisa'), ('Lisa', 'sister', 'Lisbeth')]}, {('Sandra', 'daughter', 'Lisa'): [('Sandra', 'son', 'Alfred'), ('Alfred', 'sister', 'Lisa')]}]