you are likely to find Passage in/at/on City. Passage is related to Hall. 
you are likely to find Poet in/at/on University. you are likely to find Science in/at/on University. Science is related to Area. Area is related to Headquarters. 
City <--AtLocation-- Passage <--RelatedTo--> Hall 
Poet --AtLocation--> University <--AtLocation-- Science <--RelatedTo--> Area <--RelatedTo--> Headquarters 