A brother and a sister went to the park to play. They came home and mom asked them how the park was.

"Look mom, we found this really funny looking white balloon!"

Mom shrieks at the sight of the latex balloons, knowing what they really were, and sends the two children off to wash their hands. Once in the bathroom, the sister says:

"Boy, mom sure was upset at us."

"Yeah," said the brother "I'm just glad we didn't tell her we ate the white yoghurt inside the balloon."