Two boys in black swimming trunks are holding another boy by his arms and legs on a beach .
It is certain that a boy is not happy abut having his arms and legs held by his friends .
Chances are about even that a boy is not happy abut having his arms and legs held by his friends .
It is certain that a boy is not happy abut having his arms and legs held by his friends .
A boy is not happy abut having his arms and legs held by his friends .