Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to ride on the back of a motorcycle [title] Make sure your driver is experienced at riding with a passenger, aka " two-up ". [step] Driving with a passenger is very different from driving alone. This is not the time for you to teach each other new skills.

Ending1: [title] Wear proper clothing! [step] Even if it's hot, you want a leather jacket and (at least) blue jeans. Wear high-top leather boots if you have them. Ending2: It's a good idea to have a good knowledge of gear ratios and speed before you get on the motorcycle with your passenger. [title] Research biker bikers on the internet. Ending3: The more experienced you are, the better prepared you will be for the ride. [title] Visit a local bike shop to take your motorcycle on a test ride. Ending4: Instead, look into riding a bit independently, with a friend in the back, so you can find ride partners more easily. [title] Apply your language skills to gaining some experience on motorcycles.

Answer format: ending1/ending2/ending3/ending4