"What's a bubble bus?"
"It's like a fire bus, only for bubbles."
"To put bubbles out?"
"No, to carry them."
"So does a fire bus carry fire?"
"Yeah, I guess so. I think it's more like a party bus. Like..."
"Yeah. The fire truck goes behind the fire bus because, you know, the fire bus might have too much fun."
Did I mention that this conversation was between Pete and I?