Architect is related to Builder. Builder is related to Worker. Coach is a type of Worker. Coach is related to Team. 
Plant is related to Biology. Biology is related to Science. Science is related to Mass. Mass is related to Object. 
Architect <--RelatedTo--> Builder <--RelatedTo--> Worker <--IsA-- Coach <--RelatedTo--> Team 
Plant <--RelatedTo--> Biology <--RelatedTo--> Science <--RelatedTo--> Mass <--RelatedTo--> Object 