Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to select a labrador retriever [title] Decide if your personality and lifestyle will be a good fit for a lab. [step] Labs crave company and stimulation, so it is important for you to spend lots of time with your lab and to invest time and energy in training your lab. Be honest with yourself about how much time and energy you will be able to invest in your dog.

Ending1: [substeps] Talk to your vet about getting a labrador retriever. A pediatrician may also be a good option. Ending2: [substeps] Think about your how much time you spend away from home. If you are often not home due to work or other lifestyle factors, then a lab may not be the ideal pet for you. Ending3: Set up a training schedule so that your lab can mature on his own under the supervision of other dogs. [substeps] Give your lab enough indoor space for your workouts. Ending4: [title] Choose a harness, leash, and comfortable neighborhood environment. [step] Depending on the animal, you may need to walk off-leash.

Answer format: ending1/ending2/ending3/ending4