Convention is a type of Station. you are likely to find People in/at/on Convention. People can be Intelligent. Intelligent is similar to Rational. 
Spy is related to Mystery. Mystery is related to Genre. Genre is related to Fantasy. Fantasy is related to Novel. 
Station <--IsA-- Convention <--AtLocation-- People --HasProperty--> Intelligent <--SimilarTo--> Rational 
Spy <--RelatedTo--> Mystery <--RelatedTo--> Genre <--RelatedTo--> Fantasy <--RelatedTo--> Novel 