story: [Alfred] is married to a special woman. Her name is [Lisbeth]. [Willie] loves spending time his grandmother [Sandra]. [Lisbeth] was tired of cooking all the time so she invited over her daughter [Anita] and her son [Willie] to cook dinner for her.
query: ('Anita', 'Sandra')
clean_story: [Lisbeth] was tired of cooking all the time so she invited over her daughter [Anita] and her son [Willie] to cook dinner for her. [Willie] loves spending time his grandmother [Sandra].
proof_state: [{('Anita', 'grandmother', 'Sandra'): [('Anita', 'mother', 'Lisbeth'), ('Lisbeth', 'mother', 'Sandra')]}, {('Lisbeth', 'mother', 'Sandra'): [('Lisbeth', 'son', 'Willie'), ('Willie', 'grandmother', 'Sandra')]}]