Trauma is related to Drama. Tragedy is a type of Drama. Tragedy is related to Story. Story is related to Narrative. 
Shop is related to Grocery. Grocery is related to Egg. Egg is related to Product. Product is related to Consumer. 
Trauma <--RelatedTo--> Drama <--IsA-- Tragedy <--RelatedTo--> Story <--RelatedTo--> Narrative 
Shop <--RelatedTo--> Grocery <--RelatedTo--> Egg <--RelatedTo--> Product <--RelatedTo--> Consumer 