Carbonated drink COCA COLA ZERO, 500 ml or Sparkling drink COCA-COLA ZERO, 200 ml?

Energy 0 kcal 0 kcal
Fat 0 g —
of which saturates 0 g —
Carbohydrate 0 g —
of which sugars 0 g —
Protein 0 g —
Salt 0 g 0 g

Figures from the product labels. Green is the better value.

Carbonated drink COCA COLA ZERO, 500 ml
A
Carbonated drink COCA COLA ZERO, 500 ml
0 kcal
Sat. fat 0 g Sugars 0 g
500 ml
Sparkling drink COCA-COLA ZERO, 200 ml
Sparkling drink COCA-COLA ZERO, 200 ml
0 kcal
200 ml