for the other tasks okay so the reward three is now simply this and yeah notice it's not the same as the reward function because the reward function had one if you pick up the square negative one if you pick up the triangle and zero else so the zero we don't have to specify here because it's not part of our features right so you can see that the reward function is given simply by that and we can now as i said derive a good policy for this reward by looking at the other policies even though none of these policies has ever learned to avoid