Born is related to Day. Day is related to Cake. Cake is related to Piece. Piece is related to Roll. 
Slam is a type of Throw. Ridge is a type of Throw. 
Born <--RelatedTo--> Day <--RelatedTo--> Cake <--RelatedTo--> Piece <--RelatedTo--> Roll 
Slam --IsA--> Throw <--IsA-- Ridge 