County is related to Country. Country is related to Horse. you are likely to find Horse in/at/on Olympics. 
Swallow is a type of Single. Swallow is related to Movement. Movement is a synonym of Campaign. 
County <--RelatedTo--> Country <--RelatedTo--> Horse --AtLocation--> Olympics 
Single <--IsA-- Swallow <--RelatedTo--> Movement <--Synonym--> Campaign 