Consumer is a synonym of Customer. Guest is a type of Customer. Guest is related to Invitation. Invitation is related to Wedding. 
you are likely to find Check in/at/on Bank. Check is a type of Draft. Draft is a type of Regulator. 
Consumer <--Synonym--> Customer <--IsA-- Guest <--RelatedTo--> Invitation <--RelatedTo--> Wedding 
Bank <--AtLocation-- Check --IsA--> Draft --IsA--> Regulator 