You were so hungry but when you look, there is no food in the refrigerator. You want to buy some good food across the street. However, there is a big problem, you are always afraid of crossing the railway and the store which is selling your favorite foods is on the other side of it. You have to take a deep breath and conquer your fears. You will not of course get hit by a training if you just follow the rules on how to do the crossing. Find those guides and you are good to go.