A postman knocked on the door of a house and said, "Take the letter." A girl's voice came from inside, "I am coming." But no one came for three or four minutes, the postman again said, "Hey brother! Is there anyone in the house, take your letter." I am coming. "The postman said," No, I am standing with registered letter, you need your sign on the acknowledgment. " The door opened after about six-seven minutes. The postman was fretting about this delay and was about to shout at him, but he was shocked as soon as the door opened, a bedridden girl with no legs was standing in front. The postman walked away quietly giving the letter and carrying his sign. In two...