Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to follow arena etiquette while horseback riding [title] Put on your helmet. [step] If you're in the arena, you should be wearing a helmet. Even if you are not mounted or even planning on riding, your presence in the arena requires a helmet.

Ending1: Make sure you know the ropes so you don't get blisters from trying to grab something that would potentially damage you. If you do not wear a helmet, do not attempt riding a horseback horse. Ending2: Helmets are important for all athletes, not just you and your rider. Wear it so it is a protective covering against threats and injuries as well as heightens your confidence. Ending3: [title] Mount outside the arena or in the middle of the arena. [step] You should not mount where you will be in another rider's way. Ending4: Helmets are involved in all aspects of riding. Too much wear for your safety can result in injury or even death.

Answer format: ending1/ending2/ending3/ending4