Democrat is a type of Politician. Democrat is similar to Green. Green is related to Farm. Farm is the opposite of Apartment. 
Rack is a type of Try. Rack is a type of Support. Support is related to Strength. Strength is a synonym of Expertise. 
Politician <--IsA-- Democrat <--SimilarTo--> Green <--RelatedTo--> Farm <--Antonym--> Apartment 
Try <--IsA-- Rack --IsA--> Support <--RelatedTo--> Strength <--Synonym--> Expertise 