It's still basically the same structure, there's a coin flip that only player one observes. Player one takes a sequence of actions, they eventually end up in this choice between selling the coin or playing, choosing play. Now, if they choose play, player two has to guess how the coin landed. Well, let's say your estimates are off in this game. Let's say we estimate that for choosing Sell, they will get an expected value of minus one regardless of which state they're in. Well, the best that we can do is just guess