A woman pushes a child in a stroller with several people on bikes behind .
Chances are about even that there is a woman pushing a blue stroller while several people ride BMX bikes behind her .
There is almost no chance that there is a woman pushing a blue stroller while several people ride BMX bikes behind her .
Chances are about even that there is a woman pushing a blue stroller while several people ride BMX bikes behind her .
There is a woman pushing a blue stroller while several people ride BMX bikes behind her .