Please choose the correct ending to complete the given sentence: Health: [header] How to avoid trans fats [title] Read the nutritional labels. [step] A key part of healthy eating is to read the nutrition information for every food you buy. Look on the label for how much trans fat is in a product.

Ending1: Browse the food labels, taking notes so you can write down important information as you eat. [substeps] For example, you may find how much trans fat is listed in fruits and vegetables as well as in packaged foods. Ending2: Most products have a minimum of 170ml of trans fat. This amount is based on the number of servings of products (both trans and non-trans) the product contains. Ending3: Ideally, you should be eating a product with zero trans fat. [substeps] You can find trans fat listed underneath fat and saturated fat. Ending4: Follow it, noting specifically that the item is trans fat-free. [title] Limit yourself to a typical serving of fat.

Answer format: ending1/ending2/ending3/ending4