Please choose the correct ending to complete the given sentence: Health: [header] How to prevent gallbladder disease [title] Exercise to prevent gallbladder disease. [step] Regular exercise reduces cholesterol in the blood tissues, which can lead to gallbladder problems. Experts recommend moderate activity at least five days a week.

Ending1: [title] Eat a well-balanced diet of fruits, vegetables, whole grains, low-fat dairy products and lean meats to prevent gallbladder disease. [title] Take supplements that may reduce your chances of developing gallbladder disease. Ending2: Though exercising regularly may reduce the risk of gallstones, try to get at least 30 minutes of moderate physical activity each day. [substeps] Doing moderate activity about 5 hours per day prevents racing heart rate and muscle soreness. Ending3: [substeps] Do dynamic exercises every day for at least thirty minutes 3 times a week. Do moderate resistance exercises even if it's just 10 minutes. Ending4: Moderate exercise makes it easier for you to get enough rest, meaning a few days a week is often enough for you to complete a moderately-vigorous workout. [substeps] You should include 150 minutes of moderate-intensity walking about 5 days a week.

Answer format: ending1/ending2/ending3/ending4