you are likely to find Cup in/at/on Shelf. you are likely to find Cup in/at/on Kitchen. 
Article is related to Writing. Writing is related to Like. Like is related to Oil. Oil is related to Controversy. 
Shelf <--AtLocation-- Cup --AtLocation--> Kitchen 
Article <--RelatedTo--> Writing <--RelatedTo--> Like <--RelatedTo--> Oil <--RelatedTo--> Controversy 