Suppose, you are Nasim/Nasima of 50 Kazalshah, Sylhet-3100. You have a best friend named Salam/Salma ho lives at 30 Pallabi, Ali Para, Sunamgonj-3070. He/She is a chain smoker. You know that smoking is a bad bit and it causes many fatal illness. Now, write a letter to your friend advising him/her to give up smoking.