but in our case where it's where feature one is pick up is how many of the sorry after rephrase our feature one is whether or not you pick up a square therefore if we sum it up our successor feature one is going to be the number of this is this is a pound sign the number of squares that you pick up okay similarly our feature too is whether or not you pick up a triangle in a particular step so our successor feature number two is going to be the number of triangles that you pick up over time you can see that the successor features