Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to take care of a german shepherd [title] Make sure your german shepherd is getting proper nutrition. [step] Since german shepherds large, active dogs and are known to have hips that give out, it's important to make sure they have good nutrition throughout their lives. Make sure to buy healthy food that is not full of filler ingredients.

Ending1: You can buy fresh vegetables, dairy products, and leafy greens at your local pet store, farm-supply store, or online. [substeps] As humans, they require an occasional meal consisting of processed grains, cakes, rice, and beans. Ending2: Make sure your dog's fur is not wet and he has plenty of room for movement and play. [substeps] German shepherds have two basic body functions: eating and walking. Ending3: For example, make sure you are feeding a quality food that contains animal protein and doesn't use corn for protein. [substeps] You can feed your german shepherd dry or wet food, or a combination of both. Ending4: Ensure your dog is drinking at least 6 ounces of water a day and is with its mother regularly. [substeps] German shepherds need between 7.5-9 hours of sleep every night.

Answer format: ending1/ending2/ending3/ending4