Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to save yourself from drowning in a shipwreck [title] Wear a flotation device. [step] Hypothermia, shock, injury and exhaustion mean you cannot be guaranteed that you will swim to safety if an accident did happen. Wear a properly fitted life jacket that supports the neck and will keep your face out of the water if you fall unconscious.

Ending1: If possible, strap your head over one of the support bars. If the boat sinks, you will also need a lifejacket. Ending2: You should also bring a towel, socks and a first aid kit. [title] Load up when you are lost or seriously injured. Ending3: For safety, cover as much body as possible in your life using a simple helmet and a pair of goggles to prevent the water from getting into the mouth or eyes. [substeps] You may be required to bring an emergency supply of water. Ending4: [title] Get away from anyone else in the water. [step] Immediately after the accident is when you, as a strong swimmer, are in most danger.

Answer format: ending1/ending2/ending3/ending4