the agent is in state (H,x,y) where H is its health, x and y is the location in a grid world environment. The agent meets a wall, there are several candidates for the next state:
1 (H+3, x*2, y-5)
2 (H-1, x,y)
3 (H-4,x-2,y+1)
which option is the most possible one? 