A rich woman begins to learn painting . When she is sixty years old, she loves it very much. She paints and paints. After ten years, there are lots of pictures in her workroom, and she thinks they are very good. One day, the old woman is badly ill in bed, but she doesn't forget her pictures. She says to his grandson, Hand, "I want to give my pictures to a school, then the students will remember me. But which school do you think is the best, my dear?" "Well," says the little boy, "You'd better give them to the blind school!" The old woman is Hand's  _  .
grandmother grandfather grandson grand-daughter.