The bike rider runs with his red bike while another gains on him , both wearing green outfits and black helmets .
It is impossible that the biker in the back quickly overtakes his friend in a race
It is impossible that the biker in the back quickly overtakes his friend in a race
Chances are about even that the biker in the back quickly overtakes his friend in a race
The biker in the back quickly overtakes his friend in a race