Elephant is related to Heavy. Heavy is related to Pig. Pig is related to Small. Small is related to Mouse. 
Sovereignty is a type of Authority. Adviser is a type of Authority. 
Elephant <--RelatedTo--> Heavy <--RelatedTo--> Pig <--RelatedTo--> Small <--RelatedTo--> Mouse 
Sovereignty --IsA--> Authority <--IsA-- Adviser 