Strange is the opposite of Usual. Usual is a synonym of Simple. Simple is a different concept from Hard. 
Withdrawal is a synonym of Recession. Recession is a type of Album. Album is related to Cover. 
Strange <--Antonym--> Usual <--Synonym--> Simple <--DistinctFrom--> Hard 
Withdrawal <--Synonym--> Recession --IsA--> Album <--RelatedTo--> Cover 