Charge is related to Amount. Amount is related to Piece. Piece is related to Coin. Coin is related to Button. 
Search is a type of Investigation. Search is related to Find. Person wants (to) Find. Blond is a type of Person. 
Charge <--RelatedTo--> Amount <--RelatedTo--> Piece <--RelatedTo--> Coin <--RelatedTo--> Button 
Investigation <--IsA-- Search <--RelatedTo--> Find <--Desires-- Person <--IsA-- Blond 