Skateboarding wearing black pants , a white shirt , and a blue hat performing a skateboarding trick while three spectators look on in the background .
It is certain that a person skateboards while three spectators film the performance in the background
It is highly unlikely that a person skateboards while three spectators film the performance in the background
It is certain that a person skateboards while three spectators film the performance in the background
A person skateboards while three spectators film the performance in the background