Union is a type of Device. Device is related to Bat. 
High is related to Shoe. Casual is a type of Shoe. Casual is the opposite of Expected. Expected is a synonym of Unlikely. 
Union --IsA--> Device <--RelatedTo--> Bat 
High <--RelatedTo--> Shoe <--IsA-- Casual <--Antonym--> Expected <--Synonym--> Unlikely 