14. “You ought to keep your body warm." the doctor said to Mary.
→ The doctor advised Mary “You ought to keep your body warm."
→ The doctor said to Mary “You ought to keep your body warm."
15. "You should take a little hot milk before sleeping." The doctor said to my grandma
→ The doctor advised my grandma  "You should take a little hot milk before sleeping."
→ The doctor said to my grandma "You should take a little hot milk before sleeping."