The white-helmeted driver of the red , white and blue car , with a passenger riding shotgun , whipped up dust and rocks in the wooded taped-off area , the debris creating an eerie , ghostlike view of the face of the person behind him .
It is impossible that the man in the helmet is riding a motorcycle .
It is impossible that the man in the helmet is riding a motorcycle .
It is probable that the man in the helmet is riding a motorcycle .
The man in the helmet is riding a motorcycle .