Shrink is the opposite of Expand. Expand is a synonym of Elaborate. Detail is a type of Elaborate. Detail is a type of Assign. 
School is related to Art. Art is related to Rat. 
Shrink <--Antonym--> Expand <--Synonym--> Elaborate <--IsA-- Detail --IsA--> Assign 
School <--RelatedTo--> Art <--RelatedTo--> Rat 