Representation is a type of State. Representation is a synonym of Agency. Agency is related to Advertising. Advertising is a type of Marketing. 
Depend is related to Need. Need is related to Support. Support is related to Assistance. 
State <--IsA-- Representation <--Synonym--> Agency <--RelatedTo--> Advertising --IsA--> Marketing 
Depend <--RelatedTo--> Need <--RelatedTo--> Support <--RelatedTo--> Assistance 