Several people walk along a waterway including a boy with a scooter .
It is almost certain that the boy has a scooter as he walks along the crowded waterway .
It is almost certain that the boy has a scooter as he walks along the crowded waterway .
Chances are slight that the boy has a scooter as he walks along the crowded waterway .
The boy has a scooter as he walks along the crowded waterway .