object is a square okay so um there are a number of tasks we can define right now in this thing so we define tasks according to a reward function so the reward let's say the reward one is going to be um one if if it picks up a square sorry the square and zero else just if it picks up a square on any given step we give it a reward of one it we don't care about the blue triangles okay and then reward two is going to be the opposite it's going to be one not the opposite but one if it picks up a triangle and zero else so you can see the um