Kelly, Clyde, Roland, Fred, and Harriet are a lawyer, an accountant, a doctor, a police officer, and a cab driver, not necessarily in that order.
- Kelly is not he doctor or the accountant.
- It Fred is the accountant, then Kelly is the doctor.
- Roland is not the police officer.
- If Clyde is the doctor, then Harriet is the lawyer.
- If Harriet is the cab driver, then Kelly is not the police officer.
- Harriet is the cab driver.