Three lawyers and three engineers are travelling by train to a conference.
At the station, the three lawyers each buy tickets and watch as the three engineers buy only a single ticket.
“How are three people going to travel on only one ticket?” asks a lawyer.
“Watch and you’ll see,” answers an engineer.
They all board the train. The lawyers take their respective seats but all three engineers cram into a restroom and close the door behind them. Shortly after the train has departed, the conductor comes around collecting tickets. He knocks on the restroom door and says, “Ticket, please.”
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