Defense is part of Trial. Trial is related to Guilt. Guilt is etymologically related to Yield. 
Species is related to Origin. Cause is a type of Origin. Cause is related to Effect. Effect is related to Impact. 
Defense --PartOf--> Trial <--RelatedTo--> Guilt --EtymologicallyRelatedTo--> Yield 
Species <--RelatedTo--> Origin <--IsA-- Cause <--RelatedTo--> Effect <--RelatedTo--> Impact 