Two boys playing around the shores of a lake with one boy in a teal shirt throwing rocks into the lake .
Chances are about even that a group of boys are being disruptive and rowdy at the nearby lake .
Chances are about even that a group of boys are being disruptive and rowdy at the nearby lake .
It is certain that a group of boys are being disruptive and rowdy at the nearby lake .
A group of boys are being disruptive and rowdy at the nearby lake .