story: [Sandra] played golf with her son [James]. [James]'s sister [Lisa] watched with delight. [Lisbeth] needed to go to the store. [Lisbeth] asked her sister [Lisa] for a ride. [Sandra] loves cooking for her son. His name is [Alfred].
query: ('Lisa', 'Alfred')
clean_story: [Sandra] played golf with her son [James]. [James]'s sister [Lisa] watched with delight. [Sandra] loves cooking for her son. His name is [Alfred].
proof_state: [{('Lisa', 'brother', 'Alfred'): [('Lisa', 'mother', 'Sandra'), ('Sandra', 'son', 'Alfred')]}, {('Lisa', 'mother', 'Sandra'): [('Lisa', 'brother', 'James'), ('James', 'mother', 'Sandra')]}]