Tent is a type of Web. Tent can Shelter. Refuge is a type of Shelter. Refugee is derived from Refuge. 
Introduction is a synonym of Debut. Debut is related to Performance. Performance is derived from Perform. 
Web <--IsA-- Tent --CapableOf--> Shelter <--IsA-- Refuge <--DerivedFrom-- Refugee 
Introduction <--Synonym--> Debut <--RelatedTo--> Performance --DerivedFrom--> Perform 