Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to take a dog out to poop [title] Call the dog and put on his leash. [step] The first thing you want to do when taking your dog out is to call him and leash him up. You need to get him ready to go outside safely.

Ending1: Once your puppy knows you can walk him outside, let him know that you are not going to walk him outside alone. Make sure you see and hear what he is going to do before he is able to go outside alone. Ending2: [substeps] Decide whether you'll use a leash or harness/gentle handler. If your dog is still not properly leash trained, a harness or gentle handler, which leashes up around the dog's muzzle, might be a better choice. Ending3: This doesn't just mean sitting down and talking to him, you should also make sure the dog is comfortable when you stop and approach him. [substeps] Once your dog is on your lap, take his leash and begin walking around the neighborhood. Ending4: This means getting in the habit of using the carrier. Your dog cannot jump right outside the door and he'll soon turn around in the carrier.

Answer format: ending1/ending2/ending3/ending4