Counselor is a type of Supervisor. Supervisor is a type of Person. Person wants (to) Creativity. Creativity is a type of Ability. 
Symptom is a type of Evidence. Person wants (to) Evidence. Administrator is a type of Person. 
Counselor --IsA--> Supervisor --IsA--> Person --Desires--> Creativity --IsA--> Ability 
Symptom --IsA--> Evidence <--Desires-- Person <--IsA-- Administrator 