Joe was alone is his room. He was reading a book which was about a funny story. He was laughing while reading different lines in the book. Joe was happy as he was reading a funny book and he was in a good mood. Suddenly the bell rang. Joe was alone in his home which was having attached bath and one big room for all types of tasks. He was living on rent in a large building. Joe was surprised about the ringing as he was not expecting any person.