So, we'll say, if the coin landed heads, then the coin was lucky and they can sell it for 0.50 cents. On the other hand, if the coin landed it tails, we'll say it's unlucky and Player one loses 0.50 cents by selling it. On the other hand, they could choose play, and if they choose play, then it leads to Player two, and Player two has to then guess how the coin landed without having observed how it actually landed. So, if they guess correctly that is Player two guesses heads and the coin actually landed heads,