Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to make a bike stationary [title] Find a slope, with a stable, stationary object close by. [step] ( a wheelchair ramp with a rail is a good option. ) [title] Get on your bike while making sure that the bike's front is facing up the slope.

Ending1: [title] Lean forwards and place the bicycle gently on the top of the ramp. [title] Hold on with both hands and lower both arms, letting the bike roll forward across the stable side of the ramp. Ending2: [step] And, quickly move to make the roll. You'll have to control the bike with the frame. Ending3: [step] Remain stationary while holding the object (rail). [title] Turn the front bars 45 degrees to the right. Ending4: [step] On second gear the front is facing sideways. On 3rd gear the back is facing sideways.

Answer format: ending1/ending2/ending3/ending4