Please choose the correct ending to complete the given sentence: Health: [header] How to keep your bones and joints healthy [title] Incorporate more calcium rich foods into your diet. [step] Getting enough calcium is essential to keep your bones healthy and strong. The best way to make sure that you are getting enough calcium is to eat a diet that includes lots of calcium rich foods.

Ending1: Calcium rich foods include : [substeps] Low-fat dairy products, such as low-fat yogurt or milk. Green leafy vegetables, such as broccoli, brussels sprouts, bok choy, kale, and turnip greens. Ending2: [substeps] Also incorporate psyllium rich foods into your diet. Calcium rich foods include lean meats, dairy products, fresh fruit and animal products and whole grains. Ending3: [substeps] Meat is a great source of calcium. Meat should be cooked, grilled, dusted, or fried regularly. Ending4: Adding food to your diet gradually will make sure that you get enough calcium. [substeps] Be sure to choose foods that are rich in calcium as well as foods that are low in calcium.

Answer format: ending1/ending2/ending3/ending4