story: [James] and his father [Adam] played video games all day last Saturday. [Mary] called her brother, [Bernard], up to see how he was doing after surgery. [Mary] is [James] 'daughter and they go shopping at least twice a week together.
query: ('Mary', 'Adam')
clean_story: [Mary] is [James] 'daughter and they go shopping at least twice a week together. [James] and his father [Adam] played video games all day last Saturday.
proof_state: [{('Mary', 'grandfather', 'Adam'): [('Mary', 'father', 'James'), ('James', 'father', 'Adam')]}]