Ethnic is a type of Person. Person wants (to) Build. Build is related to Action. Action is related to Do. 
Cold is related to Trouble. Troubled is a form of Trouble. Troubled is related to Concerned. Concerned is similar to Afraid. 
Ethnic --IsA--> Person --Desires--> Build <--RelatedTo--> Action <--RelatedTo--> Do 
Cold <--RelatedTo--> Trouble <--FormOf-- Troubled <--RelatedTo--> Concerned <--SimilarTo--> Afraid 