Ski is related to Transportation. Transportation is a synonym of Transfer. Convey is a type of Transfer. Flash is a type of Convey. 
Researcher is a type of Adult. Character is a type of Adult. 
Ski <--RelatedTo--> Transportation <--Synonym--> Transfer <--IsA-- Convey <--IsA-- Flash 
Researcher --IsA--> Adult <--IsA-- Character 