Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to keep your dog safe on a boat ride [title] Train your dog to respond to commands. [step] If you want to bring your dog on a boat trip, it's important that you are able to control your dog's behavior while on board. This means that the dog needs come when called and that it does not ignore your commands.

Ending1: Once your dog gets used to relying on you calling and responding to commands, it will learn to respond to the same without confusion or pain. [substeps] Teach your dog to sit when you make a command. Ending2: [substeps] This especially applies for larger loads and models of boats that include larger engines or rigs. Saying " sit, " or using " stay " with dogs on a boat can end up taking your dog's attention away from you and hurting its ability to sit. Ending3: [substeps] Only taking a well-trained dog on a boat is a matter of safety. To keep a dog safe while boating you need to direct its actions so that it does not get into trouble or get injured accidentally. Ending4: Any dog that does not respond to commands should be feared by stern passengers. [substeps] Train your dog to come when called, then turn your attention to the dog that does respond to your command.

Answer format: ending1/ending2/ending3/ending4