Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to go heli skiing [title] Learn how to ski/snowboard. [step] Many people assume that expert skiing skills are required before jumping into heli-skiing. This, however, isn't true.

Ending1: If you're going to learn to snowboard, you need to hone your skiing skills. You'll need to know how to run very fast and have a great time. Ending2: Completely understanding if you can't ski at first may help you overcome your fear and make learning further fun. Understand before beginning that it is normal to fear falling, crashing, or losing control. Ending3: All that's required is a strong skiing ability and a desire to ski powder snow. [substeps] You also need a strong ability in deep snow skiing, as the mountain you'll be on will be ungroomed and powdery. Ending4: Experts in your sport will think critically about your skill level. This can be hurtful and lead you into a dangerous situation.

Answer format: ending1/ending2/ending3/ending4