That ping pong balls are really light

Harvey groaned. "Now I wish I didn't drink all that coffee. I also wish I had more coffee, so there is that too."

Paul grunted a response.

Susan, having needed to pee for hours now, considered again that she might have to pick a corner, and didn't relish the way this room would smell once they got **** enough. Too bad that floor tube wasn't deeper so that they could dispose of their pee... that... way...

"I think , um, I have a solution. It can't be the 'right' solution, but we've been stuck here too long and I don't care."

"What is it, Susan?," Harvey asked.

"Ping pong balls float. If we poor liquid down the pipe, the ball will float out."

"Brillant! But they didn't give us any liquids, so that can't be the official solution. Still... does anybody have something on them?"

There was awkward silence, and then Susan said, "No, but there is another way."

Paul caught on first and laughed. "That is brilliant. Tell you what, I'll volunteer; it'll be a relief!"

Paul walked up to the pipe already unzipping his pants. Everyone quickly spun around, Karen with a "Jesus, Paul!"

They heard the gentle hissing and splatter of Paul pissing, followed by the popping sound of a ping pong ball hitting the floor. Everyone breathed a sigh of relief that this was over.

"Bridget, can you pop that ball into the tube over there," Paul said as he zipped up. Karen audibly gasped, but without hesistation Bridget pick up the pee-coated ping pong ball, brought it to the door, and popped it in. The ball wobbled it's way to the top...