A: It's important to check your equipment first, Becky. Is your helmet OK?
B: It isn't very comfortable. It feels very small.A: Let's see. It's fine. Your helmet needs to be secure. OK, are you ready?B: Erm, yes, I think so. I'm nervous.A: Don't worry. Just go slowly and remember to relax and use your legs.B: That's a very big rock! What if fall?A: You'll be fine if you follow me.