Cast is related to Iron. Iron is a type of Mineral. Mineral is related to Category. 
Withdrawal is a type of Separation. Separation is a type of Change. Shift is a type of Change. 
Cast <--RelatedTo--> Iron --IsA--> Mineral <--RelatedTo--> Category 
Withdrawal --IsA--> Separation --IsA--> Change <--IsA-- Shift 