A group of children , riding bikes , wait on the edge of a skateboarding bowl , while a woman in a white shirt pushes a child in a stroller and a man in a woman sit in brown lawn chairs .
It is highly unlikely that a group of people assemble to watch the skateboarding antics .
It is highly unlikely that a group of people assemble to watch the skateboarding antics .
Chances are about even that a group of people assemble to watch the skateboarding antics .
A group of people assemble to watch the skateboarding antics .