Express is a synonym of Crack. Crack is a type of Opening. Opening is related to Handle. 
Beer is related to Party. Party is related to Pie. Pie is related to Piece. 
Express <--Synonym--> Crack --IsA--> Opening <--RelatedTo--> Handle 
Beer <--RelatedTo--> Party <--RelatedTo--> Pie <--RelatedTo--> Piece 