Classic is related to Literature. you are likely to find Literature in/at/on Conference. you are likely to find Person in/at/on Conference. Killer is a type of Person. 
Junior is related to School. you are likely to find Homework in/at/on School. Homework is part of Education. Education is a type of Film. 
Classic <--RelatedTo--> Literature --AtLocation--> Conference <--AtLocation-- Person <--IsA-- Killer 
Junior <--RelatedTo--> School <--AtLocation-- Homework --PartOf--> Education --IsA--> Film 