Competition is related to Race. Race is related to Ethnic. Ethnic is a type of Person. 
you are likely to find Disease in/at/on Lab. Lab is a type of Name. Name is related to License. Charter is a type of License. 
Competition <--RelatedTo--> Race <--RelatedTo--> Ethnic --IsA--> Person 
Disease --AtLocation--> Lab --IsA--> Name <--RelatedTo--> License <--IsA-- Charter 