Soft drink PEPSI ZERO SUGAR, with sweeteners, 2 l or Soft drink FT PINK GRAPEFRUIT, 0.5 l?

Energy 1 kcal 17 kcal
Fat 0 g 0 g
of which saturates 0 g 0 g
Carbohydrate 0 g 4,6 g
of which sugars 0 g 4,5 g
Protein 0 g 0 g
Salt 0 g 0 g

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

Soft drink PEPSI ZERO SUGAR, with sweeteners, 2 l
A
Soft drink PEPSI ZERO SUGAR, with sweeteners, 2 l
1 kcal
Sat. fat 0 g Sugars 0 g
2 l
Soft drink FT PINK GRAPEFRUIT, 0.5 l
C
Soft drink FT PINK GRAPEFRUIT, 0.5 l
17 kcal Fat 0 g Carbs 4,6 g Prot. 0 g
Sat. fat 0 g Sugars 4,5 g
500 ml