story: [Ricky] invited his mother [Ashley] and grandmother [Donna] over for dinner. [Ashley] picked up her husband, [Young] from the pool.
clean_story: [Ashley] picked up her husband, [Young] from the pool. [Ricky] invited his mother [Ashley] and grandmother [Donna] over for dinner.
proof_state: [{('Young', 'mother', 'Donna'): [('Young', 'son', 'Ricky'), ('Ricky', 'grandmother', 'Donna')]}, {('Young', 'son', 'Ricky'): [('Young', 'wife', 'Ashley'), ('Ashley', 'son', 'Ricky')]}]