While watching Saturday morning cartoons, Justine’s daughter Claire saw a commercial for a high-fat, high-sugar toaster pastry marketed to children. At the grocery store, Claire sees the product and begs her mom to buy it. Justine is appalled to see one pastry has 300 kilocalories, 10 grams of fat, and 6 grams of saturated fat. Although the pastry has 3 grams of dietary fiber, Justine notices it does not state "good source of fiber" on the front of the packaging like some other foods with 3 grams of fiber. Why can’t this food be called a "good source" of fiber?