What happens next in this paragraph?

An introduction comes onto the screen for a video about bmx riding. Several bmx riders are shown doing tricks and riding on the track. some of the riders
OPTIONS:
- are doing high jumps while others're low and soft.
- are shown riding in the first person view.
- get picked up one at a time and immediately race throughout the track and bike all down the track.
- are shown doing track on the sides of buses.
are shown riding in the first person view.