you are likely to find Literature in/at/on Meeting. Summit is a type of Meeting. 
you are likely to find Shirt in/at/on Closet. you are likely to find Vacuum in/at/on Closet. Vacuum is related to Devil. Devil is a synonym of Trouble. 
Literature --AtLocation--> Meeting <--IsA-- Summit 
Shirt --AtLocation--> Closet <--AtLocation-- Vacuum <--RelatedTo--> Devil <--Synonym--> Trouble 