There's five people on a plane... A doctor, a preacher, a lawyer, a young boy, and the pilot. The pilot comes on the intercom mid-flight screaming ""Mayday! Mayday! The plane is going to crash! Now listen up: there's only four parachutes on this plane and five of us, so you guys decide who's staying with the plane, but I'm jumping!"" And with that, the pilot grabs a parachute and leaves the doomed plane. The doctor comes before the other passengers of the plane and says ""As a doctor, I've used …