story: [Lisa] watched her son, [Scott], playing in the yard. [Gabrielle], [Scott]'s grandmother, was also keeping an eye on the boy.
query: ('Lisa', 'Gabrielle')
clean_story: [Lisa] watched her son, [Scott], playing in the yard. [Gabrielle], [Scott]'s grandmother, was also keeping an eye on the boy.
proof_state: [{('Lisa', 'mother', 'Gabrielle'): [('Lisa', 'son', 'Scott'), ('Scott', 'grandmother', 'Gabrielle')]}]