Defense is part of Trial. Defense is related to Denial. Denial is related to Negative. Negative is a synonym of Dark. 
Very is related to Brief. Brief is a type of Instruct. 
Trial <--PartOf-- Defense <--RelatedTo--> Denial <--RelatedTo--> Negative <--Synonym--> Dark 
Very <--RelatedTo--> Brief --IsA--> Instruct 