Please take greater care to label your diet coke varietals more distinctly.  Amidst the diet cokes, diet cherry cokes, diet vanilla cokes, and diet black cherry vanilla cokes, one can make a hasty mistake.  For example, I learned today that diet black cherry vanilla coke tastes like a mixture of turpentine and cough syrup.  I'm not sure you were aware of that, but needless to say that was not the taste I was looking for.  For this product, I would recommend labeling it as such: