Dream up a situation that your friend called you for a halloween party in his house. So, you went to his house. When you knock the door, it seemed to be open. When you entered into the house, the door locked automatically. More surprisingly, the house seemed to be with signs for halloween party to be carried out. So, you are in a confused state. The only thing you need to do is to escape from the house. It would be achieved with your brilliance. As you are the person of good problem solving nature, surely you will find the necessary objects to solve the puzzles.