Please choose the correct ending to complete the given sentence: Health: [header] How to choose functional foods [title] Eat a variety of whole foods. [step] Whole foods are free from additives or other artificial ingredients and have been processed or refined as little as possible. Examples include fresh fruits and vegetables, as well as grains and nuts.

Ending1: This helps to ensure you are getting the necessary nutrients while also making it easy to eat at the same time. [substeps] Choose whole foods and eat regular meals. Ending2: A healthy, balanced diet includes all of these, with variety being especially important. If you eat enough food that naturally contains all of the nutrients your body needs, you may not need take any additional vitamins or supplements. Ending3: Steer clear of processed foods such as baked goods, cakes, cereals, energy drinks, and other sweets. [substeps] For example, don't choose chicken or fish products; other types of foods such as ice cream, yogurt, ice cream, and butter are considered foods that can have additives and other artificial elements. Ending4: Eat portions of fast and light foods that you enjoy. If you dislike crunches or other forms of forward movement, incorporate healthier whole foods into your diet.

Answer format: ending1/ending2/ending3/ending4