Please choose the correct ending to complete the given sentence: Doing motocross: They are going on hilly slopes and uneven terrain on their motorbikes. They go through extremely steep and dangerous dirt roads at high speed. they

Ending1: also go over ramps created in the dirt road. Ending2: zoom in on two camera types. Ending3: lose control of their environments and then leave the side roads for safety passes. Ending4: are going very fast through the hilly and rough terrain as he holds on to feeds for safety as they go.

Answer format: ending1/ending2/ending3/ending4