Innovation is a synonym of Invention. Motor is a type of Invention. Motor is related to Work. Work is the opposite of Unemployment. 
Portray is related to Picture. Picture is related to People. People is related to Coat. 
Innovation <--Synonym--> Invention <--IsA-- Motor <--RelatedTo--> Work <--Antonym--> Unemployment 
Portray <--RelatedTo--> Picture <--RelatedTo--> People <--RelatedTo--> Coat 