Simple unity game

Create unity 3d game, with two players us and [login to view URL] the game is started we see the game in first person while the NPC is 3D and we see him too. The game consist of 4 adjacent rooms(in a square) and each room has two door which are open or closed(it's state cannot be changed). In each room there is blackboard located on [login to view URL] and the NPC start at room 1 for example and the NPC begins wandering without colliding to any [login to view URL] random it can go into another room only if the door is opened(if the door is closed it continues wandering).When wandering at a room , at random it can look into a blackboard. [login to view URL] should be XML file which contains the following information which should be used in the game: -the String "Hello" which should be red and used in the game -the total time in seconds the NPC can look at a [login to view URL] example if the value is 15, then the total time the NPC can look at a blackboard is 15 seconds no matter in which room it is ,if it has looked more than 15 seconds into blackboards it can't look again. Assets used for NPC and environment can be whatever you like, more important is the functionality of successful wandering and viewing at a blackboard