Jamila and the three sisters

Jamila is a beautiful girl, with long black hair, and a beautiful smile shining with joy, but she does not drink milk, and eats a lot of sweets and soda. Therefore, her health weakens and she becomes afflicted with diseases. Her friends feel sad and sad for her, especially the three sisters, until "Noura," a "beautiful" doll, suggests a plan to save her.. So what does she do? What role do the three sisters play in saving Jamila? This is what you know from reading this story.