Summer is a different concept from Winter. Winter would make you want to Ski. one thing you do when you Ski is Pleasure. Pleasure is etymologically related to Please. 
Card is a type of Paper. Paper is related to Sheet. Sheet is related to Board. 
Summer <--DistinctFrom--> Winter --CausesDesire--> Ski --HasSubevent--> Pleasure --EtymologicallyRelatedTo--> Please 
Card --IsA--> Paper <--RelatedTo--> Sheet <--RelatedTo--> Board 