you are likely to find Human in/at/on Conflict. 
Vegetable is related to Carrot. Carrot is a type of Herb. Tea is a type of Herb. Tea is related to Opportunity. 
Human --AtLocation--> Conflict 
Vegetable <--RelatedTo--> Carrot --IsA--> Herb <--IsA-- Tea <--RelatedTo--> Opportunity 