Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to travel by car with your dog [title] Figure out how you want to restrain your dog in the car. [step] It is not safe, nor advisable to let a dog roam around a car unrestrained. Consider putting your dog in a pet cage if you are driving a long distance or if your dog is a nervous passenger.

Ending1: [substeps] Be careful not to force your dog into a secure space if you plan to be in the car. In many cases, they may remain in the hold. Ending2: Keep him in a small enclosure so he is not constantly in the car on the go. [substeps] A small enclosed enclosed cage can be a good thing if you plan to only go ride with your dog. Ending3: [title] Use a collar or chin collar to help you control your dog's movement. [step] If you're loading up a car, keep your dog on a leash and choke on it to steer it from the road as you take up the road. Ending4: It is the most effective way of keeping a dog still and under control whilst driving. Having a dog caged will help you to focus on driving instead of on the dog, which is important because distracted drivers can easily have accidents.

Answer format: ending1/ending2/ending3/ending4