story: [Don]'s father, [Joshua], and grandfather, [James], went hiking during the first weekend of spring. [James] took his daughter [Lena] out for dinner.
query: ('Joshua', 'Lena')
clean_story: [Don]'s father, [Joshua], and grandfather, [James], went hiking during the first weekend of spring. [James] took his daughter [Lena] out for dinner.
proof_state: [{('Joshua', 'sister', 'Lena'): [('Joshua', 'father', 'James'), ('James', 'daughter', 'Lena')]}, {('Joshua', 'father', 'James'): [('Joshua', 'son', 'Don'), ('Don', 'grandfather', 'James')]}]
edge_types: ['son', 'grandfather', 'daughter']