story: [Valerie] drives her daughter, [Eunice], to the elementary school. [Valerie]'s son, [Emmanuel], goes to the middle school. [Stanley] loves picking out new toys for his grandson [Emmanuel].
query: ('Stanley', 'Eunice')
clean_story: [Stanley] loves picking out new toys for his grandson [Emmanuel]. [Valerie] drives her daughter, [Eunice], to the elementary school. [Valerie]'s son, [Emmanuel], goes to the middle school.
proof_state: [{('Stanley', 'granddaughter', 'Eunice'): [('Stanley', 'grandson', 'Emmanuel'), ('Emmanuel', 'sister', 'Eunice')]}, {('Emmanuel', 'sister', 'Eunice'): [('Emmanuel', 'mother', 'Valerie'), ('Valerie', 'daughter', 'Eunice')]}]