story: [Gabrielle] went shopping for gifts for her granddaughter [Anna]'s birthday. While she was out, she bought gifts for [Lucille], [Anna]'s sister, since her birthday was coming up as well.
query: ('Gabrielle', 'Lucille')
clean_story: [Gabrielle] went shopping for gifts for her granddaughter [Anna]'s birthday. While she was out, she bought gifts for [Lucille], [Anna]'s sister, since her birthday was coming up as well.
proof_state: [{('Gabrielle', 'granddaughter', 'Lucille'): [('Gabrielle', 'granddaughter', 'Anna'), ('Anna', 'sister', 'Lucille')]}]