Of course it depends on the case. But the point is that if you chose Option 1, and you have to change doSomething() in to doYetSomethingElse() in the case where

Of course it depends on the case. But the point is that if you chose Option 1, and you have to change doSomething() in to doYetSomethingElse() in the case where a && !b, then you _will_ have to change the structure to Option 2. So in many cases, it's better to go to Option 2 directly.