Vehicle is related to Horn. Horn can be used for Entertainment. Puzzle can be used for Entertainment. Puzzle is related to Solution. 
Genius have Energy. Energy is related to Go. Go is the opposite of Drop. Drop is a type of Decline. 
Vehicle <--RelatedTo--> Horn --UsedFor--> Entertainment <--UsedFor-- Puzzle <--RelatedTo--> Solution 
Genius --HasA--> Energy <--RelatedTo--> Go <--Antonym--> Drop --IsA--> Decline 