You can have sunfish, trout, sunfish. You could have sunfish, trout, trout. You could have trout, sunfish, sunfish. You could have trout, sunfish, trout. You could have trout, trout, sunfish. or you could have all trout. And you see here that each of these, each time you go, there's two possibilities, and so when, or each time you try to catch a fish, there's two possibilities.