story: [Francisco] who is [Lisbeth]'s son made the basketball team. [Sandra] who is the grandmother of [Francisco] will attend the game. [Sandra] took her son [Mark] to the football game. [Francisco] and his sister [Louise] were hoping for a snow day.
query: ('Lisbeth', 'Mark')
clean_story: [Francisco] who is [Lisbeth]'s son made the basketball team. [Sandra] who is the grandmother of [Francisco] will attend the game. [Sandra] took her son [Mark] to the football game.
proof_state: [{('Lisbeth', 'brother', 'Mark'): [('Lisbeth', 'mother', 'Sandra'), ('Sandra', 'son', 'Mark')]}, {('Lisbeth', 'mother', 'Sandra'): [('Lisbeth', 'son', 'Francisco'), ('Francisco', 'grandmother', 'Sandra')]}]