Well you can invert the approach. So you: 1) Take a given ailment 2) Take all the symptoms that it produces 3) Choose some at random 4) Construct a syntheti

Well you can invert the approach. So you: 1) Take a given ailment 2) Take all the symptoms that it produces 3) Choose some at random 4) Construct a synthetic patient case with those symptoms where you know exactly what the problem is