Elephant is related to Trial. Trial is related to Witness. Witness is related to Action. 
Hazard is related to Shock. Shock is related to Value. Value is a type of Worth. Worth is related to Equity. 
Elephant <--RelatedTo--> Trial <--RelatedTo--> Witness <--RelatedTo--> Action 
Hazard <--RelatedTo--> Shock <--RelatedTo--> Value --IsA--> Worth <--RelatedTo--> Equity 