% emp(Employee Number, Name, Job, Superior, Employed from, Salary, Department Number)
emp(11, king, president, null, 1990, 5000, 10).
emp(12, blake, manager, 11, 1992, 2850, 30).
emp(13, clark, manager, 11, 1993, 1500, 10).
emp(14, jones, manager, 11, 1995, 2975, 20).
emp(15, martin, salesman, 12, 1998, 2650, 30).
emp(16, allen, salesman, 12, 1998, 1900, 30).
emp(17, turner, salesman, 12, 1995, 1500, 30).
emp(18, james, clerk, 15, 2000,  950, 30).
emp(19, ward, salesman, 12, 1996, 1750, 30).
emp(20, ford, analyst, 13, 1997, 3000, 20).
emp(21, smith, clerk, 12, 1993,  800, 20).
emp(22, scott, analyst, 13, 1996, 3000, 20).
emp(23, adams, clerk, 11, 1999, 1100, 20).
emp(24, miller, clerk, 14, 2000, 1300, 10).

% dept(Department Number, Name, Location)
dept(10, accounting, newyork).
dept(20, research, dallas).
dept(30, sales, chicago).
dept(40, operations, boston).