School is a type of Body. Body is related to Gym. Gym is related to People. People is related to Trend. 
Practical is related to Being. Being is related to Quality. Complexity is a type of Quality. 
School --IsA--> Body <--RelatedTo--> Gym <--RelatedTo--> People <--RelatedTo--> Trend 
Practical <--RelatedTo--> Being <--RelatedTo--> Quality <--IsA-- Complexity 