In the female toilet.
The Lunch.
In the toilet 3 cabins, all busy, some women stand waiting when the cabins are released. Two girls come in to wash in a bowl, talking to each other.
One says to the other: "Would you like me to tell you a joke?"
He begins to tell an anecdote.
After washing the cups, the second girl says, “Well, what have we done?” They want to leave.
And here is the voice from the cabin: A joke to tell?