Horn is part of Auto. Horn is related to Projection. Tail is a type of Projection. 
Scenario is the opposite of Ideal. Ideal is related to Ultimate. Ultimate is similar to Supreme. Supreme is related to Power. 
Auto <--PartOf-- Horn <--RelatedTo--> Projection <--IsA-- Tail 
Scenario <--Antonym--> Ideal <--RelatedTo--> Ultimate <--SimilarTo--> Supreme <--RelatedTo--> Power 