At the starting point, the patient will be in a room with three pedestals in front of him. On each pedestal there is a book and a character, representing a scenario. The patient will hear a voice (the narrator) giving instructions about how to choose the scenario that want to see. This is the Main Menu scenario. According to the instructions, the patient/user can: select the first scenario saying "level one"; select the second scenario saying "level two"; select the third scenario saying "level three"; listen again the instructions given by the narrator saying "repeat".