Carrier is a type of Organism. Carrier is a type of Immune. Immune is the opposite of Vulnerable. 
Mental is similar to Moral. Moral is related to Story. Story can be Interesting. Interesting is similar to Fascinating. 
Organism <--IsA-- Carrier --IsA--> Immune <--Antonym--> Vulnerable 
Mental <--SimilarTo--> Moral <--RelatedTo--> Story --HasProperty--> Interesting <--SimilarTo--> Fascinating 