Sponsor is a type of Support. Support is the opposite of Oppose. Protest is a type of Oppose. Protest is related to Display. 
Empire is related to Rise. Rise is related to Coming. Coming is related to Arrival. 
Sponsor --IsA--> Support <--Antonym--> Oppose <--IsA-- Protest <--RelatedTo--> Display 
Empire <--RelatedTo--> Rise <--RelatedTo--> Coming <--RelatedTo--> Arrival 