Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to teach swim lessons for kids [title] Remember that safety comes first. [step] Before teaching a new skill, one must make sure that everyone involved stays safe. Never turn your back on a beginner.

Ending1: Be cognizant of the dangers involved in swimming, which include drowning, equipment malfunctions, or slipping. Be up-to-date in your understanding of cpr and first aid. Ending2: Be upfront and tell everyone to stay on the board as you teach them the water. Ask each child when they want to switch out and where they want to change their board there, but don't encourage them to switch over while swimming. Ending3: You might see a biker taking a trip one day with a wet ponytail hanging down behind her back or you might see someone climbing out the front of the car and holding a bow and arrow. These are ways to ensure that safety is in doubt. Ending4: Watch the child and make sure he can lead the boat. It's a good idea to teach how to operate from the back of the boat, since if he can't, he or she could drown.

Answer format: ending1/ending2/ending3/ending4