story: [Scott] and [James] were getting ready for [Lisbeth]'s birthday party. [Rudolph] was runnning late. [Scott] and his sister [Diana] got their mother [Diana] a new computer for her birthday. She really liked it.
query: ('James', 'Lisbeth')
clean_story: [Scott] and [James] were getting ready for [Lisbeth]'s birthday party. [Rudolph] was runnning late.
proof_state: [{('James', 'sister', 'Lisbeth'): [('James', 'father', 'Rudolph'), ('Rudolph', 'daughter', 'Lisbeth')]}, {('James', 'father', 'Rudolph'): [('James', 'son', 'Scott'), ('Scott', 'grandfather', 'Rudolph')]}]