story: [Gabrielle] had to pick up her grandson [David] and his sister, [Michele], from school today.
query: ('Gabrielle', 'Michele')
clean_story: [Gabrielle] had to pick up her grandson [David] and his sister, [Michele], from school today.
proof_state: [{('Gabrielle', 'granddaughter', 'Michele'): [('Gabrielle', 'grandson', 'David'), ('David', 'sister', 'Michele')]}]