Heathmax Natural Foods will not sell a product unless the product does not contain any preservatives, any artificial flavors or any genetically modified foods.
Heathmax Natural Foods will not sell a product unless the product does not contain any preservatives, any artificial flavors and any genetically modified foods.
Heathmax Natural Foods will not sell a product unless the product does not contain any preservatives, any artificial flavors or any genetically modified foods.
Heathmax Natural Foods will not sell a product unless the product does not contain any preservatives, any artificial flavors and any genetically modified foods.
This is a tricky logic issue. The phrase "not A, B, and C" forbids the combination of all three, but allows all other combinations (any one individually or any pair). If we want to exclude not only the combination of all three but also each individually and any pair, we need to use the phrase "not A, B, or C."