Following The Prescription

- Jack: My brother was sick and went to the doctor.

- John: Is he feeling better now?

- Jack: No, he has a broken arm.

- John: How did he break it?

- Jack: Well, the doctor gave him a prescription and told him no matter what happened, to follow that prescription. And the prescription blew out of the window.

- John: How did he break his arm?

- Jack: He fell out of the window trying to follow the prescription.