Advertising is about creating images, and this is especially true when advertising food and drinks. What the 1 looks like is more important than what it tastes like. If companies hope to sell food successfully, the food must 2 appetizing.
Television advertising of food often uses 3 . Apparently, food looks especially appetizing if it moves. Chocolate sauce looks much more 4 when you see it being poured over ice cream than it does just sitting in a jar.